Answer:
[tex]\huge\boxed{\sf B.}[/tex]
Step-by-step explanation:
Geometric Mean is a type of average in which we multiply the number given and put a square root on it.
Geometric Mean of 4 and 7:
[tex]\sf \sqrt{4*7} \\\\\sqrt{2^2*7} \\\\= 2\sqrt{7} \\\\\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807
