Which option will ensure mysqldump will process a row at a time instead of buffering a set of rows?

You have a server that has very limited memory but has a very large table. You will use
mysqldump to back up this table. Which option will ensure mysqldump will process a row at
a time instead of buffering a set of rows?

A.
— quick

B.
— skip-buffer

C.
— single-transaction

D.
— tab