鹿茸具有的功效是（）

A.补肾阴，益精血

B.补肾阳，益精血

C.补肾阴，祛风湿

D.补肾阳，祛风湿

E.补肾阴，止胎动

Suppose an investor has an opportunity to invest $3 million in a venture investment that is expected to pay $30 million at the end of 4 years if it survives. The cost of capital for a project with this risk level is 30%. However, the project may not survive the full 4 years and has an expected failure rate shown in the probability table shown below. The likelihood of failure in the first year is 25% , with the likelihood of failure in the second year being 20% ( assuming it survives the first year) and so on.

A．Year

B．1

C．2

D．3

E．4

F．Failure Probability

G．25%

H．20%

I．15%

J．10%