The correct option is
A The devil is not so black as is painted.
Option B is the correct answer because the proverb 'the devil is not so black as is painted' which means that someone or something is not as evil, malicious, or malignant as it is described or believed to be is the best proverb that suits the given context.
Options A, C, D and E are incorrect because none of these proverbs suits the given context.
'He laughs best who laughs last' is said to emphasize that the person who has control of a situation, in the end, is most successful, even if other people had seemed originally to have an advantage.
'A burnt child dreads the fire' means that everyone avoids repeating a hurting experience again in life.
'One swallow doesn't make a summer' is used to say that because one good thing has happened, it is not, therefore, certain that a situation is going to improve.
'If you want a thing well done, do it yourself' means that it is better to do something oneself than to rely on others to do it well.