In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
The cupcakes tasted very good, _______ they?
In the given question tag, the verb used is present in simple past tense form 'tasted'. So, the question tag must also be in the past tense form 'didn't'.
Therefore, the correct answer is option 3.