Which of the Following Statements Is TRUE

Multiple Choice

Which of the following statements is TRUE?

A) Modern research in animal behavior tends to focus almost exclusively on the question of development.
B) Tinbergen's four questions remain an important driving force in modern animal behavior research, particularly in new areas that attempt to integrate work on two or more of the questions.
C) While Tinbergen's four questions were a useful way of organizing the early work in animal behavior, they have now been replaced by newer questions.
D) While tremendous breakthroughs have recently been made in research dealing with a behavior's survival value, progress in the understanding of its physiological mechanisms is lagging far behind.