In the grapes of wrath, which of the following best explains why the man insists on paying for the loaf in the following passage (paragraphs 18-20)?

mae said resignedly, “you can have this for ten cents.”

“that’d be robbin’ you, ma’am.”

“go ahead—al says to take it.” she pushed the waxpapered loaf across the counter. the man took a deep leather pouch from his rear pocket, untied the strings, and spread it open. it was heavy with silver and with greasy bills.
question 2 options:

a)

he has a strict budget and does not want to throw off the amount he allotted for the bread.

b)

he still has pride despite living in such poor conditions.

c)

he is desperate to get rid of an unlucky dime.

d)

he is highly insulted at the thought that al and mae might be showing charity to his family.