Express the Number in Terms of Powers of the Numbers $3 \cdot 3 \cdot 7 \cdot 7$

Multiple Choice

Express the number in terms of powers of the numbers in the expression.
- $3 \cdot 3 \cdot 7 \cdot 7$

A) $2(3) \cdot 2(7)$
B) $3^{2} \cdot 7^{2}$
C) $3^{4} \cdot 7^{4}$
D) $3 \cdot 7$