-- Whose French book is it?

-- It __________ be Lucy’s. Look! Her name is on the book!

A．must

B．mustn’t

C．might

D．can’t

茯苓丸的功用是（）

A.燥湿化痰，理气和中

B.理气化痰，和胃利胆

C.清热化痰，理气止咳

D.清热化痰，宽胸散结

E.燥湿行气，软坚化痰