Which of the Following Is True About Retrotransposons

Which of the following is true about retrotransposons?

A) Retrotransposons rely on an RNA intermediate to insert into a new part of the genome.
B) Retrotransposons do not require an RNA intermediate.
C) Retrotransposons can use a "cut- and- paste" strategy.
D) Retrotransposons never remain in their original location.
E) Retrotransposons can use a "copy- and- paste" strategy.