Correct Option: A

Verb
1.
walk in a leisurely way.
"I strolled around the city"
synonyms : saunter, amble, wander, meander, ramble, dawdle, promenade, walk, go for a walk, take a walk, roam, traipse, stretch one's legs, get some exercise, get some air, take the air; More
2.
achieve a sporting victory without effort.
"the horse strolled home by 12 lengths"
Noun
1.
a short leisurely walk.
"we took a stroll in the garden"
synonyms: saunter, amble, wander, walk, turn, promenade, airing, breather; More
2.
a victory or objective that is easily achieved.