WHICH OF THE FOLLOWING CAN BE INFERRED FROM THE FIRST PARAGRAPH

Câu 13: Which of the following can be inferred from the first paragraph?

A. There was a high turnover of railway mail clerks.

B. The development of the mail roads during the second half of the 19

th

century enabled Post Office

Department to focus on timeliness.

C. The Post Office Department was more concerned about speeding up mail delivery than the safety of

its clerks.

D. Mail was often lost or damaged as it was exchanged on the mail crane.