Multiple choice Which of the following answer(s) is/are correct? Stand up It is not a sentence as per definition This a sentence as per definiton and is an Imperative sentence The subject, though not mentioned, is understood Both b and c Reveal answer Fill a bubble to check yourself D Correct answer Explanation 'Stand up' is an imperative sentence. Imperatives are complete sentences where the subject 'you' is understood but not stated. Option D correctly combines that it is a proper sentence AND that the subject is understood.