— Say, Jane, will you come with me to the game Friday?

— _____, Bob, but I promised Mary I'd go with her. [ ]

A. My pleasure

B. Thanks

C. Take it easy

D. Forget it

关于ATP的说法中，正确的是（）

A.是生命活动的直接能源物质

B.“A”表示一个腺嘌呤

C.其结构简式为A－T～P～P

D.分子中含有一个高能磷酸键