Answer: Ace
Explanation: I did it before
<span>The correct option is B. Mike joined the Army, and he became more disciplined during the training. The correct way to connect these two clauses is to introduce a conjunction "and." A is incorrect because there should be a comma/conjunction between the words Army and he. C is incorrect because that semi colon is just randomly and incorrectly placed without a context. D is incorrect because there should also be the word "and" before "he."</span>
1/7, 2/14, 3/21, 4/28, 5/35, 6/42, 7/49, 8/56, 9/63, 10/70, 11/77, 12/84, 13/91, 14/98, 15/105, 16/112, 17/119, 18/126, 19/133, 20/140 ...