If an Investment Bank Underwrites an Issue on a "Best

If an investment bank underwrites an issue on a "best efforts" basis,

A) the issuing company receives nothing unless the investment bank sells the complete issue at the offering price.
B) the issuing company must pay the investment bank's fee only if the investment bank is found to have done its best to market the security issue.
C) the investment bank makes no guarantee and is required to sell to investors only as much of the issue as it can.
D) the investment bank will raise the indicated funds from an issue that is either all stock or all bonds.