John noticed that the angle formed by the minute hand and hour hand on a standard 12-hour clock was 110 degrees when he left home after 6 p.m.; it was also 110 degrees when he returned after 6 p.m. but before 7 p.m. that same night. If he left home for more than five minutes, for how many minutes was he away?
(A)36 (B)40 (C)38 (D)43
B