You should never lose heart even if you are in great trouble.A. /; / B. your; /C. the; a

问题补充：

You should never lose heart even if you are in great trouble.

A. /; /

B. your; /

C. the; a

D. a; the

答案：

(答案→)A. /; /

B. your; /

C. the; a

D. a; the

解析：考察冠词。第一空固定搭配lose heart灰心；lose one’s heart爱上某人；第二空也是固定搭配in trouble困境中；句意：即使你处于困境，你也不能灰心。故A正确。