The kushana patronised______form of Buddhism.
A. Mahayana
B. Kushans
C. Yuchi
D. Brahmgiri.

Hint: Buddhism is a philosophy, a moral code and for some religious faith that originated 2500 years ago in India. It offers a diagnosis of the suffering of mankind and provides a formula for individuals to resolve that suffering.

Complete answe:
Buddhism offers a moral code based on compassion and nonviolence and through meditation a way to achieve spiritual Insight. Buddhism offers a practical way to connect with everyday life and with others. Today an estimated 500 million people follow one of many varieties of Buddhism.
Buddhism was proposed by Gautam Buddha. The original name of Buddha was Siddhartha Gautama and the term Buddha was the little meaning the awakened one or the one who knows.
The essence of Buddhism is, life is a fundamental disappointment and suffering, suffering is a result of one's desire for power pleasure, and continued existence, to stop disappointment and suffering one must stop desiring, the way to stop desiring and suffering is the noble eightfold path.
8 fold path of Buddhism
1. Right belief
2. Right thought
3. Right speech
4. Right action
5. Right means of livelihood
6. Right Endeavour
7. Right recollection
8. Right meditation

Therefore, the correct answer is option A.

Note: Mahayana Buddhism-
Working towards enlightenment.
Compassion is the highest virtue.
Encourage practice in the world and among the general community.
Theravada Buddhism-
Individual efforts lead to enlightenment. Strive for wisdom first. Center on meditation and require personal dedication such as being a monk or nun.
Kushana Empire-
The kushana Empire was created by cushion tribe of Yuezhi confederation, and Indo-European people from the eastern Tarim basin.
Kanishka the important Kushana king patronized Buddhism that played an important role in the development of the Silk Road, and in the transmission of Mahayana Buddhism from Gandhara across the Karakoram range to China.