The physician prescribes amoxicillin suspension 100 mg every 8 hours for a child who weighs 33 lb (15 kg). The drug is supplied in a bottle labeled 250 rag/teaspoon (1mL=50 mg). How many milliliters should the nurse administer（）

A. 2 mL.

B. 2.5 mL.

C. 5 mL.

D. 7.5 mL.

从词类活用的角度，选出其中不同类的一项是（   ）

A．夙兴夜寐，靡有朝矣

B．长余佩之陆离

C．孔雀东南飞

D．月明星稀，乌鹊南飞