Indicate Whether the Statement Is a Simple or a Compound $\vee$

Multiple Choice

Indicate whether the statement is a simple or a compound statement. If it is a compound statement, indicate whether it is a negation, conjunction, disjunction, conditional, or biconditional by using both the word and its appropriate symbol.
-The animal is a mammal if and only if it nurses its young.

A) Compound; disjunction; $\vee$
B) Compound; biconditional; $\leftrightarrow$
C) Compound; conditional; $\rightarrow$
D) Compound; negation; $\sim$