RPTR; ON VFR FLT TO SJC; REFUSED CLRNC TO RHV AND WAS VECTORED ACROSS FINAL APCH AND HELD TO EXPECT A 15-20 MIN DELAY. RPTR LEFT FREQ DUE TO CONGESTION. CONTACTED THE TWR AND RECEIVED CLRNC INTO CLASS C AND WAS SUBSEQUENTLY TOLD TO RETURN TO APCH FREQ. RECEIVED APPROVAL FOR APCH TO RWY 30R WITH TFC POINTOUT OF A B737 FOR RWY 30L. RPTR STATED TFC WAS HVY FOR RWY 30L AND OTHER TFC FOR RWY 30R. RPTR IMPLIES ATC CTLR TRAINING AT TIME.

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MY ACFT WAS DSNDING VFR INTO SJC. LEAVING 8000 FT; I WAS GIVEN A POINTOUT BY ATC OF A B737 AT 4000 FT. AFTER ACKNOWLEDGING THAT ACFT IN SIGHT; I WAS GIVEN A CLRNC TO RHV AND DSND TO 2500 FT. I REFUSED THE CLRNC. ATC THEN ISSUED ME A 100 DEG L TURN BACK ACROSS 3 FINAL APCH COURSES TO DSND TO 4000 FT AND HOLD OVER SOUTH CITY ARPT (WITH SEVERAL OTHER ACFT) AND EXPECT A 15-20 MIN DELAY. TFC FLOW WAS HVY WITH NUMEROUS TURBOJET ARRS FOR RWY 30L; AT LEAST 1 ACFT HOLDING VFR FOR A PRACTICE ILS; AND ABOUT 3-5 OTHER VFR INBOUNDS. CTLR INVOLVED ACKNOWLEDGED THAT A SUPVR WAS SITTING WITH HIM (TRAINING?) AND I WAS UNABLE TO COMMUNICATE WITH HIM DUE TO FREQ CONGESTION. AFTER REFUSING THE INITIAL CLRNC; THE CTLR OFFERED NO ALTERNATIVES (OTHER RWY OR HOLD POINT) AND INSTEAD VECTORED ME BACK ACROSS THE APCH CORRIDOR TO THEN HOLD IN THE MIDDLE OF THE AIRWAY WITH NUMEROUS OTHER ACFT TRANSITING AND ACR ACFT DSNDING OVERHEAD. INSTEAD; I REMAINED TO THE W OF THE FINALS CLR OF THE CLASS C; AND BEING UNABLE TO TALK TO APCH CTL; I CONTACTED THE TWR. TWR ACKNOWLEDGED MY POS AND ISSUED A CLRNC INTO THE CLASS C. SHORTLY THEREAFTER; TWR CALLED ME BACK AND INFORMED ME THAT BAY WANTED ME BACK ON THEIR FREQ; TO MAKE A L TURN AND EXIT THE CLASS C. I CONTACTED BAY; AND THEY INFORMED ME I WAS NOT CLRED OFF THEIR FREQ AND TO RETURN 15 MI SE TO HOLD FOR APCH CLRNC. I TOLD THEM THAT I WAS UNABLE TO TALK TO THEM; I REMAINED CLR OF THE CLASS C AND CONTACTED TWR. THEY THEN POINTED OUT A B737 DSNDING OUT OF 8000 FT ON THE FINAL AND I WAS TOLD TO 'FOLLOW' THAT ACFT. HE WAS FOR RWY 30L AND I WAS FOR RWY 30R. PRIOR TO LEAVING THE FREQ; I WAS GIVEN THE TRACON PHONE NUMBER. I DID QUESTION WHAT THE 'FOLLOW' CLRNC MEANT WHEN WE WERE CLRED TO SEPARATE RWYS. I FELT AND STILL FEEL IT WAS NOT A PROPER CLRNC.