47. Yulan will use a bag of 30 solid-colored marbles for a game in which each player randomly draws marbles from the bag. The number of marbles of each color is shown in the table below.

Yulan will randomly draw 2 marbles from the bag, one after the other, without replacing the first marble. What is the probability that Yulan will draw a black marble first and a green marble second?

A.

B.

C.

D.

E.