请教各位OG12 Diagnostic Test里SC 第42题

Raquel

42. The Supreme Court has ruled that public universities can collect student activity fees even with students' objections to particular activities, so long as the groups they give money to will be chosen without regard to their views.

Correct answer: from students who object to particular activities, so long as the groups given money are

因为这句话的意思怎么都理解不了，
so long as和前面半个分句的逻辑关系我也不是很清楚，
另外就是最后一个their的referent是什么也不清楚。

求高人指点！谢谢。。。

Raquel

B, if they have objections to particular activities and the groups that are given the money are
C, if they object to particular activities, but the groups that the money is given to have to be
D, from students who object to particular activities, so long as the groups given money to are
E, though students have an objection to particular activities, but the groups that are given the money be

补上所有选项，求指点。。