Open-End Investment Companies Are Also Called ________ and Are Called

Open-end investment companies are also called ________ and are called "open-end" because

A) high risk funds; they are able to assume high levels of risk.
B) venture capitalists; they invest in the stock of firms.
C) mutual funds; they can buy an unlimited number of corporate shares.
D) mutual funds; they can issue an unlimited number of shares to investors.