The Capital Market May Not Be Able to Fund All

The capital market may not be able to fund all of a company's positive NPV project because

A) the capital market will always speculate that it is not going to get a fair return.
B) even the capital market has a constraint for the amount of capital that it can supply a company.
C) it can be difficult for outside investors to accurately assess the risks and returns associated with the company's projects.
D) none of the above.