Table 2A Given the Following Table

Multiple Choice

Table 2A
Given the following table:
-What cause is suggested by the information in Table 2A?

A) C is a necessary condition for the phenomenon.
B) A is a necessary and sufficient condition for the phenomenon.
C) B is a necessary but not a sufficient condition for the phenomenon.
D) D is a necessary condition for the phenomenon.
E) E is a necessary condition for the phenomenon.