_______ the time they stopped working together, they ______ more albums than _______ band in history.

A．By; had sold; any other

B．At; had sold; any

C．In; have sold; all

D．For; had sold; all the other

混凝土外加剂性能检验，坍落度测定，对于坍落度为（210±10）mm的混凝土，分两层装料，每层用插捣棒插捣（）次。

A.5

B.10

C.15

D.25