单项选择题

(A)气井→集气站→脱硫厂→输气首站→输气干线;
(B)气井→集气站→增压站→脱硫厂→干线首站→输气干线;
(C)气井→增压站→干线首站→输气干线;
(D)气井→集气站→脱硫厂→干线首站→输气干线