问题如下图：
选项：
A. 
B. 
C. 
mutual funds是什么？没看明白
NO.PZ2015121801000007问题如下Whiof the following institutioninvestors is most likely to manage investments in mutufun?A.Insurancompanies.B.Investment companies.C.University enwments.is correct.Investment companies manage investments in mutufun. Although enwments aninsurancompanies mown mutufun, they not issue or reem shares of mutufun.老师，这道题考的是什么？题目不太能看懂
NO.PZ2015121801000007问题如下Whiof the following institutioninvestors is most likely to manage investments in mutufun?A.Insurancompanies.B.Investment companies.C.University enwments.is correct.Investment companies manage investments in mutufun. Although enwments aninsurancompanies mown mutufun, they not issue or reem shares of mutufun.可以一下为什么不选C
NO.PZ2015121801000007 问题如下 Whiof the following institutioninvestors is most likely to manage investments in mutufun? A.Insurancompanies. B.Investment companies. C.University enwments. is correct.Investment companies manage investments in mutufun. Although enwments aninsurancompanies mown mutufun, they not issue or reem shares of mutufun. 解析中they not issue or reem shares of mutufun，如果理解？以及这一点如何说明投资公司管理资产相对于保险公司和捐赠基金更喜欢通过投资共同基金？
题目的答案看的不太明白，麻烦老师一下，另外请问这个知识点在课上是不是没有讲过呀？谢谢
