All people want to be happy, do they ?When question tag is used in a s
Right Answer is: A
When question tag is used in a sentence, it follows the rule of inversion. Inversion means that the verb is placed before the subject. Also, if the sentence is affirmative, the question tag must be negative and vice versa (except few cases).
Now, the first part of the sentence is affirmative, so, the question tag must be in negative form. In the given options, there are two choices with negative question tag. Option C is incorrect because the given sentence is in simple present tense. The correct answer is option A.