— Why are you often dressed in white?— Because I think white can help me when I feel stres

问题补充：

— Why are you often dressed in white?

— Because I think white can help me when I feel stressed.

A. fall down

B. calm down

C. look down

D. come down

答案：

A. fall down

(答案→)B. calm down

C. look down

D. come down

解析：根据后文的内容when I feel stressed.可知答案为B，表示冷静的意思。