题目1单选题
设函数<img src="http://p.ananas.chaoxing.com/star3/origin/8d338edcd6a617aa4f2e848e52686967.png">,则<img src="http://p.ananas.chaoxing.com/star3/origin/faf915261cfdcf93480a42164d0fa16d.png">的一个原函数是( )A. <img src="http://p.ananas.chaoxing.com/star3/origin/4874ccab9ae6d9a220ec0873a3328e03.png">B. <img src="http://p.ananas.chaoxing.com/star3/origin/92fb4f1c8a042d75bb56ab1f4609c88d.png">C. <img src="http://p.ananas.chaoxing.com/star3/origin/df3d5ef5fd82b94e42400ccbecde0460.png">D. <img src="http://p.ananas.chaoxing.com/star3/origin/4163fd0692e99899a0d298ae353208ee.png">