Dudu Was Adopted at Birth by Mr and Mrs Nduna

Dudu was adopted at birth by Mr and Mrs Nduna. Although neither of his biological parents had much musical ability, Dudu has become an excellent pianist, just like Mr Nduna. This information could be used as evidence to suggest that

A) environmental factors have more influence than genetic factors in musical talent.
B) both genetic and environmental factors contribute equally to musical talent.
C) genetic factors have more influence than environmental factors in musical talent.
D) neither genetic nor environmental factors contribute to musical talent.