问题

(2014·苏锡常镇四市调研)—As a teenager,our son should have two or three hobbies to be really happy—________,but how can he afford the time with so much homework every day?
A:So does he
B:So he does
C:So should he
D:So he should
B:So he does
C:So should he
D:So he should
正确答案是: