The answer is C. I found out
Hope this helps :)
Aleman
Invierno
Invierno
Calor
Voy
La muralista <span>habrían</span> mejorado el aspecto de esta pared si hubiera pintado niños jugando.
'The muralist would've improved the aspect of this wall if she/he would have painted children playing.' - translation in my own words.
I hope this helped - Maria S.
