单项选择题

(1)影响原油开采 (2)断流时间增加
(3)入海口海水倒灌 (4)河水浪费严重
(5)油田被迫减产
A.3-1-5-4-2
B.2-4-3-5-1
C.5-3-1-4-2
D.4-2-3-1-5

A.3-1-5-4-2
B.2-4-3-5-1
C.5-3-1-4-2
D.4-2-3-1-5