以下属于“癌症性格”的心理特征是（）
A.乐观
B.坚强
C.压抑
D.自信
E.固执
参考答案：C
As ______ tourist attraction, the Summer Palace does have _______ strong attraction to visitors from home and abroad.
A．the; /
B．the; a
C．a; /
D．a; the
