Which Is the Best Counterexample to the Principle in the Following

Which is the best counterexample to the principle in the following Argument from Principle?
[Pay attention to the criteria for good counterexamples from Chapter 6 of Doing Practical Ethics.]
1) No one deserves blame for doing something that's perfectly legal.
2) Abortion is perfectly legal.
So, no one deserves blame for having an abortion.

A) It's perfectly legal to call your sibling mean names, just for fun, until they cry. But, clearly, you're worthy of some blame if you do that.
B) Abortion is not legal in all circumstance.s
C) It's perfectly legal to use birth control, but that's wrong.
D) It's perfectly legal to ride your bike to work during the winter, and no one deserves blame for doing that.