In the following questions, a sentence/part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence at (1), (2) and (3) which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is No Improvement.
We have been retracing our steps to the log cabin ten minutes ago.

Options

A. will be retracing
B. have to retrace
C. had to retrace
D. No Improvement

Answer

C

Explanation

The sentence shows past time as ago has been used.
Hence, had to retrace is the right usage.