Which of the following statements can be implied from the passage?
A
people catch more colds in winter
B
the origin of colds is inconclusive
C
people catch more colds in warm weather
D
people catch colds equally in warm and cold weather
Verified Correct Answer: B.
Grammar & Contextual Explanation
The passage discusses the complexities and puzzling observations regarding the common cold, particularly its transmission and infection theory. It mentions that despite some studies indicating that colds can spread, there are observations (such as those made by the investigator in Holland) that do not fit with the theory of infection. This suggests that the origin of colds and how they spread is not definitively understood.
Source: Myschool Past Questions Archive (Record #15083)