脚手架施工前的准备包括（）。

A、单位工程负责人应按施工组织设计中有关脚手架要求，向架设和使用人员进行技术交底

B、应按本规范规定和施工组织设计的要求对钢管、扣件、脚手板等进行检查验收

C、经检验合格配件应按品种、规格分类，堆放整齐、平稳，堆放场地不得有积水

D、应清除搭设场地杂物，平整搭设场地，并使排水畅通

We should let more young parents and their children can enjoy scientific early education.

A. provide more young parents and their children to enjoy early education
B. provide more young parents and their children to enjoy early education and scientific
C. provide young parents and their children enjoy more scientific early education
D. provide young parents and their children with more early education services