M: So, do you have any special plans for this year? W: Yes, I'm going to join the Drama Club. M: Really? W: Yeah. I'd like to act in the school play. How about you? Are you going to do anything special this year? M: Well, I really want to learn to play the guitar, so I'm going to take music lessons. I'd love to play in a band some day. W: Wow, that's great. M: And I'm going to study a lot this year. I have to get good grades. W: So do I!, Question: What does the woman mean by saying "So do I"? (A) She's going to act in the school play. (B) She's going to have some special plans. (C) She's going to study a lot for good grades.
(C) She's going to study a lot for good grades.