Questão de Inglês - EsPCEx 2020 - In the sentence “The projects focus on developing self-sufficiency of the communities

In the sentence “The projects focus on developing self-sufficiency of the communities in which they are based.” (paragraph 3), the words in which and they consecutively refer to 

[A] Oxfam and the projects. 

[B] the projects and food aid. 

[C] the communities and food aid. 

[D] self-sufficiency and the communities. 

[E] the communities and the projects.

RESPOSTA:

Letra E.

O trecho quer dizer que os projetos focam no desenvolvimento da autosuficiência das comunidades nas quais eles estão baseados. Portanto, “in which” está se referindo a “the communities” e “they” está se referindo a “the projects”.