Asignatura is another word for "Clases".
The questions is asking "What classes do you like".
¿Porqué le gusta español? = "why do you like Spanish" or "Why does he/she like Spanish" (without the accent mark, it could mean, because you like spanish or because he/she likes spanish.)
que te gusta?
Me gusta que
and you don't like the way i what
"Me gusta hacer" = I like to do Ex: "Que te gusta hacer?" = What do you like to do?
It likes you, but...Que te gusta, masmas --- but, nonethelessmás --- more, the most...
"What do you like to do when it's sunny?"
me gusta pensar que
Que te gusta hacer?
Que tipo ti gusta
Me gusta que salimos
Que te gusta hacer ?