To answer this question, you need to have knowledge about the Lal, Bal, Pal trio and their identities.
The Lal in Lal, Bal, Pal refers to Lala Lajpat Rai.
Option A) Lala Lajpat Rai - This option is correct because Lala Lajpat Rai is known as the "Lal" in Lal, Bal, Pal. He was an Indian freedom fighter and leader who played a significant role in the Indian independence movement.
Option B) Jawaharlal Nehru - This option is incorrect because Jawaharlal Nehru was not a part of the Lal, Bal, Pal trio. He was an important leader and the first Prime Minister of India, but he is not associated with Lal, Bal, Pal.
Option C) Lal Bahadur Shastri - This option is incorrect because Lal Bahadur Shastri was not a part of the Lal, Bal, Pal trio. He was the second Prime Minister of India, but he is not associated with Lal, Bal, Pal.
Option D) Motilal Nehru - This option is incorrect because Motilal Nehru was not a part of the Lal, Bal, Pal trio. He was a prominent lawyer and leader in the Indian independence movement, but he is not associated with Lal, Bal, Pal.
The correct answer is Option A) Lala Lajpat Rai. He is the Lal in Lal, Bal, Pal.