Looking over the comments from the question, it appears that most saw either A or B as semantically equal. Adam Polselli brought up an interesting point though on a possible benefit to choosing option A:

I think that there's an advantage to using A. If you style your links as "font-weight: normal", then having the <a> tag inside the <strong> tag would override <strong>'s "bolding."

Certainly that is something to think about, even when either order would work for you.

Good arguments were presented for either method, with some pointing to whether the link itself needed strong emphasis or just the text contained.

I'll admit, I'm feeling a little lazy with writing this wrap-up -- not because the discussion for this one was any less illuminating, but because there were many, for lack of a better term, thought provoking comments making a case for either order. Just read through these. Class dismissed.

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