J. K Rowling’s career really ________ when Harry Potter and the Philosopher's Stone was published in June 1997 and achieved instant success.

1. A.
   showed off
2. B.
   took off
3. C.
   paid off
4. D.
   put off

 J. K Rowling’s career really ________ when Harry Potter and the Philosopher's Stone was published in June 1997 and achieved instant success.

A. showed off      B. took off         C. paid off             D. put off