Did your classmates have a good time in the Disneyland last weekend?---Yes. They enjoy

问题补充：

--- Did your classmates have a good time in the Disneyland last weekend?

---Yes. They enjoyed very much.

A. themselves

B. yourselves

C. ourselves

D. himself

答案：

(答案→)A. themselves

B. yourselves

C. ourselves

D. himself

解析：themselves他们自己；yourselves你们自己；ourselves我们自己；himself他自己。句意：上周末你的同学们在迪士尼乐园玩得高兴吗?——是的。他们玩得非常高兴。Enjoy oneself玩得高兴，故选A。