The correct answer is A. I
Step-by-step explanation
The map shows part of the south and southeast of the Asian continent, there are some countries in gray accompanied by a Roman numeral, and the rest of the countries are in white. The countries in gray are four, the Philippines, Vietnam, Indonesia, and India. According to the geographical location of India in South Asia, it can be established that the country with the Roman number I corresponds to India because the rest of the countries are part of the region known as Southeast Asia. In that order of ideas, number II is in Vietnam, number III is in Indonesia, and number IV is in the Philippines. So the correct answer is A. I