Horoscopes and astrology

How many different star signs are there in the Zodiac?
a) 10
b) 5
c) 12


I have chosen this topic since I like the topics of the horoscopes though I do not believe myself much what one writes in them.

This is the second conversation to that I listen and still I do not understand it very well... but little by little I understand it.

There are many words that not know to declare and I believe that still I have not remained well with the pronunciation, since the majority they are new for my, since: horoscopes, pinch, entirely, source, rushing, formula, endure, sceptical, Trivialise, unimportant and stretches.