(全国ID) If your child is unwilling to discuss something, dont insist he tell you whats on his mind. The more you insist, the more likely that hell clam up. Instead, let him attempt to solve（解决）things by himself. At the same time, remind him that youre always there for him should he seek advice or help.69. What does the phrase “clam up” in Paragraph 2 probably mean?A. become excited B. show respectC. refuse to talk D. seek help(全国IIA) I know what youre thi
