【题目】Tom’s brother who is now a doctor always encourages hard and go to college.
A.for him studying
B.him studying
C.for him to study
D.him to study

【答案】C
【解析】encourage somebody to dosomething意为“鼓励某人做某事”句意：汤姆当医生的哥哥总是鼓励他努力学习去考大学。故选C。