单选题 The passions of love and pride are often found in the same individual, but having little in common, they mutually______, not to say destroy, each other.

【正确答案】 D
【答案解析】句意：通常会在同一个体上发现爱和骄傲两种情感，但它们并无共同之处，虽说不上相互破坏，但它们相互削弱。reinforce加强。annihilate消灭，歼灭。enhance提高，增强。weaken削弱，变弱。