He tried to appear calm, but his

He tried to appear calm, but his trembling voice gave him（ ）.

up

away

in

off

本题考查关于give的词组。A.give up放弃。B.give away泄露，暴露。C.give in屈服。D.give off散发出（气体、热量或气味）。根据意思，前面说他试着表现得很冷静，后面主语是颤抖的声音，所以应该是暴露，出卖的意思，选B。句意：他试图表现出镇静，但他颤抖的声音出卖了他。