Concept:"Carping" means constantly finding fault or complaining in an unpleasant way.
The opposite should express approval, admiration, or a positive attitude toward someone.
Explanation:The sentence shows that Jumoke often speaks negatively about her sister.
When someone "carpes" at another person, they criticise small faults repeatedly.
It is similar to nagging, fault-finding, or grumbling.
Let us look at the options carefully.
"Praising" means saying good things about someone and showing admiration.
"Joking with" means speaking in a playful or humorous manner.
"Complaining about" means expressing displeasure or dissatisfaction.
"Faulting" means blaming or pointing out faults.
The words "complaining about" and "faulting" are close in meaning to "carping."
Thus, they cannot be the opposites.
"Praising" is the direct opposite because it shows approval rather than criticism.
So the best answer is option A.
Answer:A. praising