I believe it would be B, because there are two subjects that the speaker is referring to at the beginning of the sentence; the caterpillar and the leaf. When they use the word "it" in the second half of the sentence it is unclear whether they mean to say if "it" is the leaf or the caterpillar which they are carrying to their brother.
Compacted meaning i do believe
Answer:
1. Our teacher said we must bring socks, shoes, t-shirts, and shorts.
2. I wanted to take biscuits, sweets, fruits, and chips for the
journey.
Explanation:
Comma (,) is used to separate the items in a list. In the above sentences several items are listed. These items ought to be separated to be more understandable to the reader. In the first sentence, items such as socks, shoes, t-shirts, and shorts are listed. To be more understandable to the reader a comma is inserted after each item is mentioned.
Full stops or Periods are used to signify the end of a sentence. They were also missing in the above sentences.