At the end of the passage, Gould suggests that the results of a scientific research be treated with______.

A．It is an important factor that must be included in scientific research.
B．It is a tendency to use collected data to produce desired results.
C．It is a tendency to interpret the data in one's favour.
D．It is a factor which, if handled appropriately, will help Settle controversy,

A．is omnipresent in scientific research
B．is unavoidable in scientific research
C．may be employed either consciously or unconsciously
D．is desirable only in some scientific researches