—Can you come to my party on Saturday afternoon?

—___________. I’ll have to help my parents.

A．Sorry, I can’t

B．Yes, I’d love to

C．Let’s go

D．No, I don’t think so

炙甘草汤和参苓白术散制方原理中均涉及（）

A．金水相生

B．补火生土

C．培土生金

D．清金制木

E．滋水涵木