"And,Jess." he bragged: "regardless of my threescore years and ten, I ploughed it.

Explanation

The correct answer is B) Bragged.Corrected Sentence: "And, Jess," he bragged, "regardless of my threescore years and ten, I ploughed it."This correction ensures proper punctuation, spacing, and completion of the dialogue. The verb "bragged" is correctly used to attribute the speech to the subject. However, the colon following "bragged" is incorrect; it should be a comma.