单项选择题
A．starting early isn't a good idea B．starting early sounds reasonable C．starting early makes one sensitive to language D．starting early makes one acquire a language better
A．any time one feels like to B．not until one grows up C．as early as possible D．before ten
A．speak both languages at home B．acquire a language more quickly C．be more capable as a language learner D．spend less time on language learning