【正确答案】 B

【答案解析】[解析] 画线词的原形particular为名词，意为“细节，详情”。A项的原形secret意为“秘密”；例：He penetrated into the secret.他看穿了这个秘密。B项的原形detail意为“细节”；例：The details of the plan are still being worked out.计划的细节还在制订中。C项的原形benefit意为“好处，益处”；例：It is said Yoga is of great benefit to human health.据说瑜伽对人体健康有极大的好处。D项的原形word意为“话语”；例：He begged them to speak a word for him.他恳求他们为他说句话。故本题选B。