Select the correct direct form of the given sentence.
The boy asked his mother if there was any cake left in the fridge.

A

The boy asked his mother, "Is there any cake left in the fridge?"

B

The boy said to his mother, "There isn't any cake left in the fridge"

C

The boy asked his mother, "Was there any cake left in the fridge?"

D

The mother asked the boy, "Is there any cake left in the fridge?"