When Sojourner chooses to use “can” in “and can any man do more than that?”, she does it because: a) she wants to question men’s ability to do more...

When Sojourner chooses to use “can” in “and can any man do more than that?”, she does it because:
a) she wants to question men’s ability to do more than she does.
b) she’s asking for permission to continue doing what she does.
c) it’s an informal situation and “could” would be too formal.
d) she’s talking about what she did in the past.
e) she knows men will never do what she does.