Which among the following statements are true with respect to electronic displacement in a covalent bond?
(1) Inductive effect operates through a `pi` - bond
(2) Resonance effect operates through a `sigma`-bond
(3) Inductive effect operates through a `sigma` -bond
(4) Resonance effect operates through a `pi-`bond
(5) Resonance and inductive effects operate through `sigma`-bond
A. 1 and 2
B. 1 and 3
C. 2 and 3
D. 3 and 4
