单选题 在分压式工作点稳定共射放大电路中,计算Q点的步骤是

A. https://p.ananas.chaoxing.com/star3/origin/efb38446ca62faa73188ffc39210ae7a.png、https://p.ananas.chaoxing.com/star3/origin/874e2bb557d3a6432328c9029a5df16f.png、https://p.ananas.chaoxing.com/star3/origin/0404074566a98ea3180d74cb2b48bbc0.png、https://p.ananas.chaoxing.com/star3/origin/451ea62bd987ffc7e26d96443626c49d.png

B. https://p.ananas.chaoxing.com/star3/origin/efb38446ca62faa73188ffc39210ae7a.png、https://p.ananas.chaoxing.com/star3/origin/451ea62bd987ffc7e26d96443626c49d.png、https://p.ananas.chaoxing.com/star3/origin/0404074566a98ea3180d74cb2b48bbc0.png、https://p.ananas.chaoxing.com/star3/origin/874e2bb557d3a6432328c9029a5df16f.png

C. https://p.ananas.chaoxing.com/star3/origin/efb38446ca62faa73188ffc39210ae7a.png、https://p.ananas.chaoxing.com/star3/origin/0404074566a98ea3180d74cb2b48bbc0.png、https://p.ananas.chaoxing.com/star3/origin/451ea62bd987ffc7e26d96443626c49d.png、https://p.ananas.chaoxing.com/star3/origin/874e2bb557d3a6432328c9029a5df16f.png

D. https://p.ananas.chaoxing.com/star3/origin/efb38446ca62faa73188ffc39210ae7a.png、https://p.ananas.chaoxing.com/star3/origin/451ea62bd987ffc7e26d96443626c49d.png、https://p.ananas.chaoxing.com/star3/origin/874e2bb557d3a6432328c9029a5df16f.png、https://p.ananas.chaoxing.com/star3/origin/0404074566a98ea3180d74cb2b48bbc0.png