Fa-Hien was

the first Buddhist pilgrim of China to visit India during the reign of Chandragupta Vikramaditya
the discoverer of Puerto Rico and Jamaica
the first Buddhist pilgrim of India to visit China
None of the above

The correct answer is A.

Fa-Hien was a Chinese Buddhist monk who traveled to India in the 5th century CE to study Buddhist texts. He is considered to be the first Chinese pilgrim to visit India. He returned to China in 414 CE with a large collection of Buddhist texts and images. His travels and writings had a significant impact on the development of Buddhism in China.

B is incorrect because Christopher Columbus discovered Puerto Rico and Jamaica in 1493.

C is incorrect because the first Buddhist pilgrim from India to visit China was Kashyapa Matanga, who traveled to China in 67 CE.

D is incorrect because Fa-Hien was a Buddhist monk, not a discoverer.