Answer:
couch potato is a metaphor, since it compares without using like or as.
The most appropriate answer is D. The fans with their fingers crossed builds tension. We as the readers are curious to know what the outcome will be.
The rest of the answer choices doesn't build tension.
I believe the answer would be <span>C. Opening a door for someone who is carrying things</span>
s i e n t t d
1. dentist
2. distent (obsolete; spread out; distended)
3. stinted (past tense of stint ~ supply inadequate amount of something)
"perfect chances of verbs?" I haven't heard of that, ever, in my 73 years.
Is it possible that you meant "perfect tenses of verbs?"
One possible answer for consideration would be "auxiliary verb," such as "had," "have," and so on.