<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A healthy 28-year-old woman at 30-weeks gestational age, has gained 35lbs since becoming pregnant. She complains of several weeks of bilateral numbness and tingling of her palms, thumbs, index and middle fingers that is worse at night. She also notes weakness gripping objects at the office. Which nerve is most likely affected?? A: Median nerve, B: Ulnar nerve, C: Radial nerve, D: Axillary nerve, E: Anterior interosseous nerve,  <response>: This question is asking about a pregnant woman with symptoms of numbness, tingling, and weakness in her hands, especially at night. Based on the distribution of symptoms in her palms, thumbs, index and middle fingers, this localizes the issue to the median nerve distribution. Pregnancy can sometimes cause carpal tunnel syndrome due to fluid retention compressing the median nerve as it travels through the carpal tunnel in the wrist. Of the choices given, median nerve is the only one that matches the distribution of this patients symptoms.A: Median nerve 