单项选择题
Which of the following is NOT a harvesting tool?
A、 Harvesting knife.
B、 Scythe.
C、 Sickle.
D、 Flail.
Which of the following is NOT a harvesting tool?
A、 Harvesting knife.
B、 Scythe.
C、 Sickle.
D、 Flail.