—If I don't get some money from my parents by Friday, could I borrow some from you?  

—_______. But can I know why?[ ]

A. Never mind

B. Not at all

C. By no means

D. By all means

风力发电的以下特性将会给发电计划编制带来新挑战（）。

A、随机性

B、间歇性

C、反调峰性

D、上述三项都是