Which of the Following Statements Best Describes a Reason That

Which of the following statements best describes a reason that C. elegans is an excellent model organism for investigating apoptosis?

A) Cells in C. elegans do not naturally undergo apoptosis, but can be induced to do so in the laboratory.
B) C. elegans undergoes a fixed and easy-to-visualize number of apoptotic events during its normal development.
C) C. elegans has large cells wherein apoptosis is easily observed without the aid of a microscope.
D) Death in C. elegans through a well-defined sequence of apoptotic events.