2. (2018绥化)They could look after ________ when they were six.
A. ourselves  　　　B. themselves  　　　　　C. yourselves
2. B【解析】考查反身代词。句意：当他们六岁时，他们就能够照顾。look after oneself自己照顾自己；主语是They，因此用themselves。故选B。