The correct answer is 'Sentences A and B' are expressing the meaning of the word. Subservient: means 'Prepared to obey others unquestioningly.' It is also an 'adjective' In Sentence A: The usage of 'Subservient' is correct. According to the sentence, man is obeying to the intangible force and that is correct in this context. In Sentence B: The usage of 'Subservient' is correct. According to the sentence, the nurse is obeying to the doctors that she doesn't want to. Hence, in this context it is correct. In Sentence C: The usage of 'Subservient' is incorrect because subservient is an adjective it cannot be an object of the preposition. Hence is the option is incorrect. Instead using 'subservient' use 'impending.' So the correct answer is option 3.