Select the most appropriate option to substitute the highlighted segment in the given sentence.
Biden write a letter to the Russian President to restrain from war.

Correct option is B

The correct option is (b) "wrote a letter".
 In the given sentence, the verb "write" is in the present tense, which does not match the tense of the rest of the sentence, as it suggests an action that has already been completed in the past.
 Therefore, the correct option is to change the verb tense to past tense. "Wrote a letter" is in the simple past tense and indicates that the action of writing the letter has already happened.