Which of the following sentences is an imperative sentence ? a. get me ice for my wrist! b. my wrist is broken c. my wrist is broken! d. i broke my wrist!

A

Explanation:

The use of exclamation mark at the end brings out a commanding tone.The choice of words such as "get" also shows a commanding tone.If the word used for example was "may" the sentence would not be a command but a request.Hence, both get, the exclamation mark at the end, which bring  a commanding tone for the sentence.