<span>Odysseus was the smartest of the Greek warriors</span>
the second bit is more formal, " You're six years old, aren't you?"
because, the other sounds very demanding or imperative, like as if you have to answer the question. so, it has to be the second line.
The list you look for is a). The verb 'to go' is an irregular verb because it completely changes its form in the past: went - gone.
Haven't learned this yet, but my best guess would be D. because in the cold wars, there was the Red Scare, which was somewhat like a Witch Hunt (like the salem witch trial) except they hunted down communists and persecuted them
So you wont get tricked into doing something like in movies