Which option is written correctly and exemplifies an incident of contested usage?

(select all that apply.)

Hi !

I think they all, ewcept the last one, exemplify an incident of contested usage

"Maria knew the child was frightened, so she tried to gently remove the bandage from the panicked young toddler's finger" 
This sentence uses a split infinitive.(to gently remove)

"The meal was served in six courses, each more complex and colorful than the last. And delicious too."
A sentence begins with a coordinating conjunction.(And)

"It was a sunny, clear day.There was scarcely no breeze, so naturally, we decided to go to the beach."
A sentence contains a double negative.(scarcely no)

"When they heard the commotion across the room, the audience gravitated toward the noise to see what was the fuss about."
The sentence ends with a preposition.FALSE. informal phrase (what's about) not a preposition.
I was thinking about you = preposition.
I spent about five minutes... = adverb

hope I helped  and got it right :)

‘the resulting drop in pressure would be detected by the soviets.’