Answer:
I may be able to help but what is an umbrella topic
Well it all depends on what you're writing about. When you write your rough draft think about the feeling it gives when reading it over. Then if it feels right, give it a go. This might not help much but think about how you feel while reading it.
Iambic pentameter is fives sets of iambs, or one unstressed followed by one stressed.
The only choice that matches that description is option A.
The others all start with a stressed syllable, so they can not be iambs.
Hope this helps =)
"bicycle tire" is the direct object receiving the noun<span />