Part b: which detail from the text best supports the answer to part a?

Taking into account the original question and set of options:

"Part b: which detail from the text best supports the answer to part a?

A“By that time onlookers less frivolous than those at dawn had already arrived and they were making all kinds of conjectures concerning the captive’s future.” ( Paragraph 5)

B“With the money they saved they built a two-story mansion with balconies and gardens and high netting so that crabs wouldn’t get in during the winter, and with iron bars on the windows so that angels wouldn’t get in.” ( Paragraph 11)

C“That was one of the few times they became alarmed, for they thought he was going to die and not even the wise neighbor woman had been able to tell them what to do with dead angels.” ( Paragraph 12)

D“And yet he not only survived his worst winter, but seemed improved with the first sunny days.” ( Paragraph 13)"

The answer is: B

if i knew what was the answer i wouldve put it

keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement