题干
Legend has it that the origin of the Dragon Boat Festival is to the soul of Qu Yuan.
A：remember
B：remind
C：recover
D：recall
答案(点此获取答案解析）
D
Legend has it that the origin of the Dragon Boat Festival is to the soul of Qu Yuan.
A：remember
B：remind
C：recover
D：recall
核酸的基本单位是