— you caught a cold. You shouldn’t have gone out last night without a coat.
— I know how silly I was.
A. No problem
B. No wonder
C. No doubt
D. No worry
网友回答
A. No problem
(答案→)B. No wonder
C. No doubt
D. No worry
解析：考查交际用语：A. No problem没问题，B. No wonder难怪，C. No doubt毫无疑问，D. No worry别担心，句意：难怪你感冒的，昨晚你不该不穿外套就出去的。--我知道我很傻。选B。