I guess that that quote said by Marmee means that Meg should develop skills and qualities which are praiseworthy, such as being hardworking, honest, and generally good, which people deem to be the qualities that a decent human being should have. She also mentions that even though she may be pretty, Meg shouldn't be vain about it, and should strive to have good inner qualities besides those outward ones.
Costume designing, set design, makeup/ hair, and lighting.
Although many of these answers could be correct, I would argue that B is the most correct one?
In the rest of the play, Macbeth is often portrayed as a coward, often unwilling to go through with a plan. His sudden display of bravery is very new, perhaps driven by his insanity.
The answer is tells because the other answers are not neutral.
