Select the option that expresses the given sentence in reported speech.
Ranjan said to his boss, “Will you promote me by the end of this year?”

A

Rajan asked his boss if he would promote him by the end of this year.

B

Rajan asked to his boss if he will promote him by the end of that year.

C

Rajan asked his boss that if he will promote him by the end of this year.

D

Rajan asked his boss if he would promote him by the end of that year.