Select the option that best explains the information conveyed in the sentence.
Ado and Abu are always together these days. They must be up to something?
A
They must have reconciled after their quarrel
B
They are probably planning something bad
C
They are capable of a praiseworthy achievement
D
They bear some responsibility for what has happened
Verified Correct Answer: B.
Grammar & Contextual Explanation
The key phrase in the sentence is: "They must be up to something." This is an idiomatic expression in English, which implies suspicion of secretive or mischievous behaviour.
Source: Myschool Past Questions Archive (Record #12316)