Nhận biết (M1)

As an object-oriented computer programming language Kotlin is used by coders like Black Girls Code founder Kimberly Bryant to create programs by manipulating "objects" (that is, specifically defined variables or combinations of variables) into interacting with each other. Conversely Pascal, __________ in software development and educational instruction, is not an objectoriented language.

Which choice completes the text so that it conforms to the conventions of Standard English?

• A.

  to use

• B.

  used

• C.

  the use

• D.

  using