- When we are in danger we need to stayExactly. Only in this way can we come up with g

问题补充：

- When we are in danger, we need to stay.

- Exactly. Only in this way can we come up with good ideas.

A. still

B. quiet

C. calm

D. silent

答案：

A. still

B. quiet

(答案→)C. calm

D. silent

解析：句意：——当你遇到危险时，你需要保持镇定。——说得对。只有用这种方法我们才能想出好主意。A. still静止不动，B. quiet 安静的； C. calm 镇定的， D. silent沉默寡言的。结合句意，遇到危险时，应不要慌张，保持镇定。故选C。