The the choices provided the correct answer is noun clause. "Whoever is interested in the past" is a noun clause.
Answer:
A) <em><u>the</u></em><em><u>y</u></em><em><u> </u></em><em><u>revea</u></em><em><u>l</u></em><em><u> that</u></em><em><u> </u></em><em><u>t</u></em><em><u>he</u></em><em><u> hawk</u></em><em><u> </u></em><em><u>feel</u></em><em><u>s</u></em><em><u> </u></em><em><u>as</u></em><em><u> if</u></em><em><u> </u></em><em><u>h</u></em><em><u>e</u></em><em><u> </u></em><em><u>h</u></em><em><u>as</u></em><em><u> </u></em><em><u>fai</u></em><em><u>led</u></em>
1. The boy was limping, but he kept pace with the other marchers.
-<span>a comma linking two independent clauses
</span>
<span>2. Hang gliding is a popular pastime; it takes skill and a bit of daring.
-</span><span> independent clauses linked without a conjunction</span><span>
</span>3. You seem to have found, my good friend, a real peace in life.
- a sentence demonstrating directaddress
4. Riding the unicycle blindfolded, the clown made it across the bridge. - <span>an introductory participial phrase
</span>
5. These colors were chosen for the school: purple, green, and white. - <span>a mark indicating that a list will follow</span>