The answer is "d. all of the above".
If you have integrity, then you are "trustworthy , honest and reliable."
“Integrity” is a word you hear relatively consistently, however it is anything but a word that individuals invest a great deal of energy contemplating.
Integrity implies following your good or moral feelings and making the best decision in all conditions, regardless of whether nobody is watching you. Having trustworthiness implies you are consistent with yourself and would do nothing that disparages or disrespects you.
Put another way, the base of integrity is tied in with making the best choice notwithstanding when it's not recognized by others, or helpful for you. A person with integrity is simply the cure intrigue. There are incalculable cases of trustworthiness in regular day to day existence