The Queensway Tunnel was built in the 1930s, but by the early 1960s, it was becoming clear that it was carrying much

[BTGmoderatorDC]

The Queensway Tunnel was built in the 1930s, but by the early 1960s, it was becoming clear that it was carrying much more traffic than had ever been envisaged when it was first opened.

A) it was becoming clear that it was
B) it was becoming clear that they were
C) they were becoming clear that it was
D) it was
E) it was clearly


OA A

Source: Economist Gmat