单选题
It can be inferred from the passage that the Treasury Department, after assuming control of the lighthouse, improved which of the following?
A、
The training of the lighthouse keepers.
B、
The sturdiness of the lighthouses.
C、
The visibility of the lights.
D、
The locations of the lighthouses.
【正确答案】
A
【答案解析】
[解析]从最后两个词highly professional高度专业化，可推测是提高了灯塔看守人的训练。故应选A。
提交答案
关闭