Three students made statements concerning bond private placements.Which is/are correct?

Student X. Interest rates on privately placed debt tend to be higher than for similar public issues.

Student Y. Purchasers of privately placed debt have assets of at least $100 million.

Student Z. Once bonds have been privately placed, the original buyers must hold the bonds until maturity.

A.X only

B.Y only

C.X and Y only

D.Y and Z only

E.X, Y, and Z