WHICH OF THE FOLLOWING BEST EXPRESSES THE MAIN TOPIC OF THE PASSAGE

1. - DE THI THU DH 2012 DAP AN
DE THI THU DH 2012 DAP AN
1. Which of the following best expresses the main topic of the passage? A. Machinery that contributed to the agricultural revolution B. The development of safer machines demanded by the labor movement C. New Jersey as a leader in the agricultural revolution D. The need for agricultural advances to help feed a growing population