X, Y and Z are three elements with `DeltaiH_(1),DeltaiH_(2)andDeltaegH_(1)` as

Which of the following assumptions about X, Y and Z are true?
i) X, Y and Z are non metals
ii) They are hightly electronegative
iii) Atomic size varies as `ZgtYgtX`
iv) Y may be more reactive than X and Z
v) X may be more reactive than Y and Z

Options

A. all except (v) are true
B. All except (iii) and (iv) are true
C. All except (i), (iii) and (v) are true
D. All except (iv) are true