Usando o texto acima como referência, responda: Choose the alternative that correctly substitutes the expression for instance in the sentence “In L...

Usando o texto acima como referência, responda: Choose the alternative that correctly substitutes the expression for instance in the sentence “In London, for instance, more than 300 languages...” (paragraph 4).
a) for example
b) such as
c) on the other hand
d) however
e) no exception