C

问题如下：

Q. Which of these would most likely appeal to an investor who wants long-term, stable returns?

选项：

A.Greenfield investments

B.Brownfield investments

C.Secondary-stage investments

解释：

The correct answer is B. With brownfield investments, typically some of the financial and operating history is available. Therefore, brownfield investments may be sought after by both strategic investors specializing in operating the assets and—particularly with privatizations—financial investors focused on long-term, stable returns.