Can you answer all parts please?

The theory states that investors choose a particular maturity based on the type of business they are un. Select one: A. Preferred habitat B. Term structure C. Market segmentation D. Liquidity preference E. Harrod-Keynes The investment banking firm that pioneered new techniques to sell junk bonds and was instrumental in the rapid growth of the junk-bond market was: Select one: A. Salomon Brothers, Inc B. First Boston Corporation C. Drexel Burnham Lambert, Inc D. Goldman Sachs, Inc E. None of the above