The author is suffering from ______.

A．there is evidence that scientists are generally atheists
B．cosmologists read the Bible as part of their research
C．scientific studies show evidence of the validity of religious accounts of the universe and its origin
D．intellectual agnosticism has been on the rise

A．patient and optimistic
B．impatient and pessimistic
C．impatient but optimistic
D．indifferent but impatient