Although the model looks good on the surface, it will not bear close ______.

A．apprehend
B．comprehend
C．understand
D．grasp

A．He was believed to have spent 25 years with "Abraham the Jew".
B．He was believed to be the creator of the philosopher's stone.
C．He was believed to be the founder of alchemy.
D．He has cast light on Newtonian mechanics.