.Mr. Brown has a strange way of writing. This is a notice from him but no clear of what

问题补充：

.Mr. Brown has a strange way of writing. This is a notice from him, but no clear of what he has written can be made at all.

A. explanation

B. sense

C. meaning

D. idea

答案：

A. explanation

(答案→)B. sense

C. meaning

D. idea

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