问题
He isn’t good at playing _____piano, but he plays _____Chinese chess well.
A:are, a; The, is
B:is ,the; A, are
C:is, a; The are
D:are, the; A, is;
B:is ,the; A, are
C:is, a; The are
D:are, the; A, is;
正确答案是：
