Which programming language is designed for the instruction of youngsters

A．it is a normal book of discovering trip, with no particular style.
B．it is stylish in its narration and the characters are vivid.
C．its style is not so perfect especially concerning the trivia/talks of the characters and the too incidental details.
D．readers do not like the trivial style of this book.

A．is extinct since the year of 1994.
B．was found by a group of 17 researchers through the internet.
C．is called "Grail Bird" because it is hallowed to the degree of holiness.
D．is so famous that it has become a symbol of the spoiled relationship between human beings and nature.