Which Functional Group Is More Reactive as an Electrophile and Why

Which functional group is more reactive as an electrophile and why?

A) Aldehydes are more reactive electrophiles because they experience more electron induction from neighbouring alkyl chains.
B) Aldehydes are more reactive electrophiles because they experience less electron induction from neighbouring alkyl chains.
C) Ketones are more reactive electrophiles because they experience more electron induction from neighbouring alkyl chains.
D) Ketones are more reactive electrophiles because they experience less electron induction from neighbouring alkyl chains.