正常红细胞糖原染色（PAS）可呈（）

A.阴性

B.弱阳性

C.阳性

D.强阳性

E.以上都不是

—Thanks for listening to my problem and giving me your advice, Amy.

—_________. That’s what friends are for.

A．My pleasure

B．With pleasure

C．Never mind

D．It’s nice of you, thank you