Answer:
D). It turned them into believers.
Explanation:
In the context of 'Stockings' by O'brien, the Platoon's response to Dobbins' gullible or irrational behavior gradually converted him into apostles. His firm faith and continuous propagation of his superstition led Platoon to believe in wearing the as a mark of his good luck. Thus, his constant faith despite dumping of his girlfriend made him a believer. Hence, option D is the correct answer.