问题补充：
The bank, whose walls are painted white, a safe and reliable place.
A. is thought as
B. is thought of as
C. is thought of to be
D. is thought of
答案：
A. is thought as
(答案→)B. is thought of as
C. is thought of to be
D. is thought of
解析：可联系答.案.网客服索取。
