The correct option is B Hyla
The tree frogs belong to the genus Hyla. They are mainly found in Europe, Asia, Africa and across the America. They can change their colour from green to grey to yellow for better camouflage. Alytes is the genus of the midwife toads, Bufo is the genus of true toads and Rana is a genus of common frog.
Thus, the correct answer is option C.