He looked very confident and calm during the test, but he was extremely nervous.
A. in trouble
B. in danger
C. in reality
D. in surprise
网友回答
A. in trouble
B. in danger
(答案→)C. in reality
D. in surprise
解析：考查介词短语：A. in trouble有麻烦B. in danger处于困境C. in reality事实上D. in surprise惊讶的，句意：在考试中他看起来自信和冷静，但是实际上他很紧张。选C。