<strong>For these questions, choose the option that best completes the gap(s) </strong>After too much exercise, some people suffer from cramp which is caused by the ......... of the muscles

For these questions, choose the option that best completes the gap(s) After too much exercise, some people suffer from cramp which is caused by the ......... of the muscles

For these questions, choose the option that best completes the gap(s)

After too much exercise, some people suffer from cramp which is caused by the ......... of the muscles

The correct answer is A. contraction

No explanation given