Explanation:

- Catriona Gray is a well-known figure in the beauty pageant industry, recognized for her grace and intelligence during the Miss Universe 2018 competition.

- Option 3: Philippines is the correct answer. Catriona Gray represented the Philippines in the Miss Universe 2018 pageant and was crowned the winner, marking the fourth time a representative from the Philippines won the title.

- Option 1: Brazil - The country frequently competes in Miss Universe pageants and has produced winners, but not in 2018.

- Option 2: Venezuela is another strong competitor in Miss Universe history, known for producing several winners, but it was not in 2018.

- Option 4: Spain is also a participant in Miss Universe competitions, yet Catriona Gray was not from this country.