Answer: A. tried as far as possible to pretend there was nothing burdensome about it
Explanation: Trying as far as possible to pretend there was nothing burdensome about "it" would best support Grete's new attitude towards her brother Gregor. He had not been able to reach out to his sister to at least discuss whatever had happened and that had been a great bother to him, even though Grete fared better by not talking about it.
The answer to your question is "B. Shape."
Explanation:
there are 10 types of polygons
1)equilateral triangle
it has 3 sides
2)square
it has 4 sides
3)Pentagon
it has 5 sides
4)hexagon
it has 6 sides
5)heptagon
it has 7 sides
6)octagon
it has 8 sides
7)enneagon
it has 9 sides
8)decagon
it has 10 sides
9)hendecagon
it has 11 sides
10)dodecayon
it has 12 sides