The author implies that which of the following is the type of scientific explanation most likely used by a molecular biologist（）

A. man cannot avoid destroying the environment
B. man cannot obtain resources he needs from other planets
C. man cannot survive for a long time
D. man cannot help to create a new environment

A．A child chokes on a fishbone and as an adolescent is reluctant to eat fish.
B．A person feels lonely and after a while buys a dog for companionship.
C．A child studies science in school and later grows up to become a teacher.
D．A person hears that a snowstorm is predicted and that evening is afraid to drive hom