ME AJUDEM!!!

Marque a alternativa correta ao analisar a parte destacada: The study of *English* has been very good even if it is at a distance, as the study of this serves for entrance exams, competitions and to travel to other countries that have English as the official language

a) )Pronon.
b)( ) Verb.
c)( )Adverb.
d)( ) Present Perfect
e)( )Noun​