On the platform is the correct answer
A. They do. A conjunction joins group of words together.
B. They could, provided that the pronouns agree with compound antecedents joined by correlative conjunctions.
C. Coordinating conjuctions join clauses.
D. Each item on a list isn't joined by a conjuction. It probably would on the last two things written down.
The answer is D.
Sister is the subject. she will be taken to the pool after lunch. you must take your sister. the sentence is about her, your sister
Answer : D
Explanation : I guessed.