Select the correct indirect form of the given sentence.
Mrs. Gupta said to me, "Why are these boys standing in the sun?"

A

Mrs. Gupta asked me why were these boys standing in the sun.

B

Mrs. Gupta said to me that why are these boys standing in the sun.

C

Mrs. Gupta asked me why those boys were standing in the sun.

D

Mrs. Gupta told me why those boys are standing in the sun.