Indochina (Indo-China) region comprises which of the following modern countries?
A. Myanmar, Thailand and Cambodia
B. Korea, Vietnam and Taipei
C. Vietnam,Laos and Cambodia
D. Korea, Vietnam and Cambodia

Hint:The term Indochina (originally Indo-China) was coined in the early nineteenth century. It emphasizes the cultural influence on the area of Indian civilization and Chinese civilization.

Complete answer:
Indochina is a term that has long been used to describe the area of the Asian continent of India and of China. More specifically, it came to refer to the territories brought under French colonial administration in the 19th century,Now let’s see which modern countries comprise in indochina,
In 19th century territories which were brought under french colonial administration is today's independent nation of Cambodia, is the only country mentioned in this option so it could not be an answer for this question.
Korea, and Tailei are not countries which comprise the Indochina region, therefore this could not be answered for this question.
The territories were brought under french colonial administration in the 19th century, now comprising the independent nations of Cambodia, Laos and Vietnam.
Country Korea is not in the Indochina region, therefore this could not be an answer.

Hence the correct answer is option C.

Note:Indo-China is a region of Southeast Asia; most narrowly, it is the former French colonies of Vietnam, Cambodia and Laos, which were collectively known as french Indochina during the Colonial period until the Indochina wars.