What was Holden's Mom's reaction to Phoebe when Phoebe admitted to smoking?

hadn't
really been smoking. She just told her mother she had tried a puff on a cigarette to explain the
smell of tobacco in her room and hide the fact that her big brotherhas been there and has
unwisely been smoking. In those days it would have been easy for Phoebe to find a cigarette in
the big apartment. It was common to have fancy boxes of cigarettes and big lighters available
for guests on coffee tables and elsewhere in living rooms. The conversation between mother and
daughter does not show that either takes the little girl's experiment with tobacco seriously. If
parents smoked, it should not surprise them that their children...