With your help, there is no doubt ______ our plan is meant for will work out successfully. [ ]

A. that what

B. whether that

C. what that

D. that which

什么是字体族（TYPEFAMILY）？（）

A.一组具有相似尺寸的字体

B.具有相似样式的字体集合，例如：粗体（BOLD.、斜体（ITALIC.

C.在字体设计上具有相关性的多种字体的集合

D.一个具有衬线体（SERIF.和非衬线体（SANSERIF.样式的字体集合