一道让我很迷惑的英语单选!-What ____do you fucus on when choosing a mobile phone for personal use?-Its function and stand-by time.A marksB signsC symbolsD features
问题描述：
一道让我很迷惑的英语单选!
-What ____do you fucus on when choosing a mobile phone for personal use?
-Its function and stand-by time.
A marks
B signs
C symbols
D features
答
c意思是象征