Answer:
Correct answer is d. France.
Step-by-step explanation:
Options B and C are not correct by default as Russia and United States were not colonial powers.
Most of the colonies in Asia were divided between France and Britain.
Still, while Britain controlled India, France was controlling Indochina.
French Indochina included todays Vietnam in the period from 1887 until 1954.
Therefore answer d is the correct one.