After a long discussion about the advantages and disadvantages of the plan, they finally __________ a conclusion __________ it is relatively practical.

A．came up, that

B．came into, /

C．came over, /

D．came to, that

软母线引下线与设备连接前应进行（），不得任意悬空摆动。

A.压接固定

B.永久固定

C.临时固定

D.焊接固定