单项选择题
M: Jane, I would like to introduce you to my sister, Ellen.
W: Glad to meet you, Ellen. Bob tells me that you are interested in African art too. In fact, he says that you plan to spend the summer in Zimbabwe.
A. Both of them are going to Zimbabwe.
B. They are both from Africa.
C. They are of the same age.
D. They are interested in African art.