Answer:
a) Hispaniola
Step-by-step explanation:
He was an explorer and Chinese navigator who worked in the mid-fifteenth century. He traveled by sea through southwest Asia and the Indian Ocean. He arrived in India, the Red Sea and Mozambique. Even though he was a navigator who had success in his travels, there are no concrete records proving that he was in Hispaniola.
Hispaniola is the name of a Caribbean Sea island, located southeast of Cuba and west of Puerto Rico.