Question

The noise was so _____ that only those with excellent hearing were aware of it.

A．dim

B．soft

C．faint

D．gentle

Answer 1

C.faint.

faint(="weak," indistinct; not clear)“微弱的，模糊的，不清楚的”。Dim(="not" bright, not clearly to be seen)不亮的，看不清的；the dim light of a candle(微弱的烛光)。