----Look at the dark clouds outside. please take the umbrella with you.
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A. thanks. Take it easy.
B. OK, just in case
C. well, it just depends
D. go ahead
网友回答
A. thanks. Take it easy.
(答案→)B. OK, just in case
C. well, it just depends
D. go ahead
解析：考查交际用语。A多谢。别担心；B好的，以防万一；C看情况而定；D去做吧。句意：—看看外面的乌云。请带一把雨伞吧！—好的，以防万一。根据句意说明B正确。