They made the flowers ( )hand.(选择填空：A：by theirB：by the)如果觉得两个答案都不对，请告诉我理由，谢谢！
问题描述：
They made the flowers ( )hand.(选择填空：A：by theirB：by the)
如果觉得两个答案都不对，请告诉我理由，谢谢！
答
by
答
by hand
答
两个都错.by hand.
答
B：by their
他们用双手制作花朵