He' s（）because he has won the prize.

A．beginners have difficulty distinguishing the pronunciation of words
B．advanced students remember words by their meaning
C．it is difficult to remember words that sound alike
D．it is difficult to remember words that have the same meaning

A．他们准备让步，同意给我们一个合理的价格。
B．他们讨论一下，之后给我一个合理的答复。
C．他们愿意做出让步，给我方以合理的折扣。
D．他们准备让步，给我们很好的折扣。