Select the correct indirect form of the given sentence.

 "Are you alone, my son?" asked a soft voice close behind me.

A soft voice behind me asked If I was alone.

The correct indirect form of the given sentence is:

A soft voice behind me asked if I was alone.

The other options are incorrect for the following reasons:

• A soft voice asked that what I was doing there alone. - The word "that" is unnecessary in indirect speech.
• A soft voice said to me are you alone son. - The sentence is not grammatically correct.
• A soft voice from my back asked If I was alone. - The phrase "from my back" is unnecessary in indirect speech.