What can we learn from the last paragraph？A．There's too much investigation about biotechno

What can we learn from the last paragraph？

A．There's too much investigation about biotechnology without too much reasoning.

B．With the applications for nanotech in medical area cancers can be cured.

C．Nanotech poses challenges for venture capitalist trained in only one area.

D．The venture capitalists are finding the applications for nanotech rewarding.