Select the most appropriate option to substitute the bracketed segment in the given sentence. If there is no need to substitute it, select 'no substitution required'.
This looks ( like one of those unwelcome social summons which call upon a man) either to be bored or to lie.

A

like one of those unwelcome social summonses which call upon a man

B

like one of these unwelcome social summons that call upon a man

C

like one of those unwelcome social summon that call upon a man

D

No substitution required