The correct answer is: E. No error
The sentence is grammatically correct. The word “receptive” is an adjective that means “able or willing to receive something.” In this sentence, it is used to describe people who are not able to receive or understand information. The word “fail” is a verb that means “to be unable to do something.” In this sentence, it is used to describe people who are not able to notice or understand the irrelevant answers they get for straight questions. The word “irrelevant” is an adjective that means “not connected with or relevant to the matter in hand.” In this sentence, it is used to describe the answers that people get for straight questions that are not related to the questions. The word “get” is a verb that means “to receive something.” In this sentence, it is used to describe the way in which people receive the irrelevant answers they get for straight questions.
The sentence is clear and easy to understand. It is also grammatically correct. Therefore, the answer is E. No error.