Find the Greatest Common Factor of the Given Expressions $45 z d , 40 z d ^ { 5 } \text { and } 65 z ^ { 2 } d$

Multiple Choice

Find the greatest common factor of the given expressions. $45 z d , 40 z d ^ { 5 } \text { and } 65 z ^ { 2 } d$

A) $9 \mathrm { zd }$
B) $5 z d$
C) $8 d z$
D) $5 z d ^ { 2 }$