题目5单选题
电路如图所示,已知<img src="https://p.ananas.chaoxing.com/star3/origin/7ebe27466f0fb5d30ffae6a10bc7045d.png">,关于电流<img src="https://p.ananas.chaoxing.com/star3/origin/ccfe438138b0d68fbcfde4622f5ff02d.png">的实际方向,下列说法正确的是().<img src="https://p.ananas.chaoxing.com/star3/origin/57a2b2baf73f8525663350fd1f13827c.png">A. 由A流向BB. 由B流向AC. <img src="https://p.ananas.chaoxing.com/star3/origin/05190bd612238597c34f1da31b85f1e5.png">时,由B流向AD. <img src="https://p.ananas.chaoxing.com/star3/origin/05190bd612238597c34f1da31b85f1e5.png">时,由A流向B