A-A+
The head of marketing was concerned ________ t
问题详情
The head of marketing was concerned ________ the major changes in the business environment.
A．to
B．in
C．that
D．about
参考答案
正确答案：D
解析：将其当作“be+形容词”的固定搭配来记忆。be concerned about sth．意为“关心某事，记挂某事”。
