What made the little boy so upset was th
题型：选择题
问题：
What made the little boy so upset was that the toy car________had been lost.[ ]
A. he took pride in it
B. that he was proud
C. he was proud of
D. which he took pride
What made the little boy so upset was that the toy car________had been lost.[ ]
A. he took pride in it
B. that he was proud
C. he was proud of
D. which he took pride