<span>The climate of Spain is very varied, as well as its geographic location, in mid-latitudes of the temperate zone of the Northern Hemisphere, makes the country have a remarkable climatic diversity. So we went from places with mild temperatures, around 15 ° C, to others that exceed 40 ° C, especially in summer, and from sites with a humid oceanic climate with annual rainfall of more than 2500mm to sites with a climate Mediterranean desert that does not exceed 200mm per year, as is Cabo de Gata, with 150mm per year.</span>
The verb caer means 'to fall,' and it can be used in the two past tenses, preterite and imperfect, to describe things falling in the past. ... When it's used in the imperfect tense, it's describing repeated falls in the past.
It's either A or B one of those