Perform the Indicated Operations Below, and Express the Answer in Its

Multiple Choice

Perform the indicated operations below, and express the answer in its reduced form. $\left( \frac { 20 c } { t ^ { 2 } k ^ { 2 } } \right) \div \left( \frac { 35 c } { t k } \right)$

A) $\frac { 4 c ^ { 2 } } { 7 t k }$
B) $\frac { 7 t k } { 4 }$
C) $\frac { 4 } { 7 t k }$
D) $\frac { 7 } { 4 t k }$