What is the author's attitude toward the ideology that biology is destiny

A．The experiments on the common cold.
B．The myths about the common cold.
C．An explanation of why and how people catch colds.
D．The continued spread of the common cold.

A．The Eskimos seldom suffer from colds.
B．Colds are not caused by cold.
C．People suffer from colds just because they like to stay indoors.
D．A person may catch a cold by touching someone who already has one.