To solve this question, the user needs to have knowledge about the history of the Indian freedom struggle and the events that took place during that time.

The passage describes the election of Subhash Chandra Bose as the President of the Congress in 1938, his desire for a second term, and his victory over the official candidate by over 200 votes despite Gandhiji's disapproval. The correct answer choice will identify the official candidate whom Bose defeated in the election.

Option A: Lala Lajpatrai was a prominent Indian freedom fighter and a member of the Indian National Congress. However, he did not contest the Congress presidential election against Subhash Chandra Bose in 1938. Therefore, option A is incorrect.

Option B: Jawaharlal Nehru was a close associate of Mahatma Gandhi and a prominent leader of the Indian National Congress. However, he did not contest the Congress presidential election against Subhash Chandra Bose in 1938. Therefore, option B is incorrect.

Option C: Pattabhi Sitaramayya was an Indian freedom fighter and a member of the Indian National Congress. He was the official candidate in the Congress presidential election against Subhash Chandra Bose in 1938. Therefore, option C is the correct answer.

Option D: Sarojini Naidu was an Indian independence activist and a poet. She was also a prominent member of the Indian National Congress. However, she did not contest the Congress presidential election against Subhash Chandra Bose in 1938. Therefore, option D is incorrect.

The answer is: C. Pattabhi Sitaramayya.