(Esc. Naval - 2016)What is the correct option to c

(Esc. Naval - 2016)

What is the correct option to complete the text below?

Mosquito Screens to Be Used at Rio Games

Even as athletes grow increasingly concerned about _____ outbreak of _____ Zika virus in Brazil, _____ organizing committee for the August Olympics in Rio de Janeiro said it would charge national delegations to have mosquito screens on athletes’ rooms.

            _____ screens, one measure Brazilians are using to help ward off the mosquito that is the primary transmitter of Zika, will be installed in communal areas “where required,” but affixed to lodging only if national delegations decide to pay for it, said Philip Wilkinson, _____ spokesman for the Rio 2016 organizing committee.

(http://www.nytimes.com)