Select the correct indirect form of the given sentence.
The chemist said to me, "I cannot take these medicines back as they are special medicines."

A

The chemist told me that he cannot take these medicines back as they are special medicines.

B

The chemist told me that he could not take those medicines back as they were special medicines.

C

The chemist told me that I cannot take these medicines back as they are special medicines.

D

The chemist told me that he could not take these medicines back as they are special medicines.