Assertion (A): Zn is not a transition element.
Assertion (R): Elements with incompletely filled d-orbitals are called transition elements

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true