Which vegetable crop is known as vegetable of 20th century?

Answer: Option A

Winged bean is the vegetable crop known as the vegetable of the 20^th century.
Winged bean is also known as goa bean, cigarillos, and dragon bean. It is a herbaceous tropical plant. It is rich in nutrients and all parts of the plant are edible. Leaves are eaten like spinach, flowers can be used in salads, tubers can be eaten raw or cooked and seeds can be used as soybean.