There was n't much variety there .. Second - hand clothes , CDs , VCDs , manga , magazines and other chapalang stuffs . But ! There was a small Yamaha amp selling for $ 20 .

Based on the preceding passage, choose your answer for question What may be the reason for the excitement over an amp ?
Pick from: A). The reason may be they collect amps .; B). The reason may be they sold that amp and want it back .; C). The reason may be the great price .; D). The reason may be their mother plays guitar .;
The answer is:
C).