Which is the best way to revise this sentence to make it clearer without changing its meaning?

she was an honorable person which could be seen from how she refused to look at the answers to the questions that were coming for the test.

a.
her honorable personality was clear, so she refused to look at the answers for the upcoming test.
b.
she was an honorable person, which became clear when she refused to look at the answer key for the test.
c.
she was an honorable person, yet she refused to look at the answer key for the upcoming test.
d.
she was an honorable person was obvious with how she refused to look at the answers for the upcoming test.
e.
it was obvious that she was dishonorable, because she refused to look at the answer key for the upcoming test.