问题如下：
Which of the following strategy invests most of a portfolio on passive or low active risk basis and manages minority of the portfolio actively?
选项：
A.a core satellite approach.
B.a top-down investment policy.
C.a delta-neutral hedge approach.
解释：
A is correct.
When an investor constructs a portfolio using the core satellite approach, he will invest the majority of the portfolio on a passive or low active risk basis while actively manage a minority of the assets for risky assets.
这题哪里讲到过呢
