Choose the closest paraphrased version after each of the following sentences or the italicized part. Blacken the letter corresponding to your choice on the answer sheet. 

All of us depend for our peace of mind and our efficien

Choose the closest paraphrased version after each of the following sentences or the italicized part. Blacken the letter corresponding to your choice on the answer sheet. 

All of us depend for our peace of mind and our efficiency on hundreds of these cues, often without our conscious awareness.

A.

These cultural signs help us remain calm and keep things going

B.

 We use these methods to maintain peace and efficiency

C.

We need cultural signs to make a living peacefully

D.

Peaceful mind helps us to do things efficiently

正确答案是A