单项选择题


Directions: There are 10 blanks in the following passages. For each blank, there are four choices marked A, B, C and D.
Passage One
Underwriting simply means that the investment banker promises to buy the (56) . The investment banks help design the securities and buy it from the (57) with the intent of selling it to (58) as quickly as possible. Usually, the issue is not subscribed to in its entirety by the (59) investment banker but is (60) among other institutions as well.

A.original
B.primary
C.leading
D.central