What you smell as you sleep may influence your dreams. Smell the flowers before you go to

问题补充：

What you smell as you sleep may influence your dreams. Smell the flowers before you go to sleep you may just end up with rosier dreams.

A. and

B. /

C. or

D. but

答案：

(答案→)A. and

B. /

C. or

D. but

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