He said (1)/ that he will never (2)/ repeat the mistake. (3)/ No error (4).

Options

A. 1. He said
B. 2. that he will never
C. 3. repeat the mistake.
D. 4. No error

Answer

2

Explanation

would will replace will because -
in Indirect speech will changes into would as in -
She said, "I will teach you English." (D.S.)
She said that she would teach me English. (I.S.) Hence, that he would never is the right usage.