单项选择题
A．Why white pepper is superior to dishes. B．How different kinds of pepper are produced. C．How the pepper plant is grown. C．How various peppers are used in cooking.
A．in well-worded language B．as awkwardly as possible C．in exaggerated statements D．as casually as possible
A．have benefited many people B．are tin improper subject for humor C．are the focus of pubhc attention D．have often been the laughing stock