Even though they asked me to be remembered, and I care for them, after they're dead it doesn't matter to them if they are remembered or not. There is no harm in them not being remembered, because they are not there to be harmed.
I would tell the couples that I am going to choose A, but instead choose B.
Which makes you a bad with respect to most varieties of deontological and virtue ethics.
When the consequences are clear, and you have no other options, the rational choice is to ignore virtue ethics.
Of course, in real life, there is almost never such a clear-cut problem as this, and pat examples are often used by those who want to throw away virtue ethics out of convenience rather than actual utilitarian benefits.