Given Only the Following Excerpt of an E-R Model

Multiple Choice

Given only the following excerpt of an E-R model:
Which of the following is known to be true?

A) There are more instances of ENTITY A than there are instances of ENTITY B in the user's environment.
B) A single instance of ENTITY B may be related to many instances of ENTITY A.
C) A single instance of ENTITY A must be related to many instances of ENTITY B.
D) ENTITY A has a minimum cardinality of one.
E) The degree of the relationship is "many."