Related milestonesBegins to use consonant sounds in babbling, e.g. “da, da, da”Not StartedListens and responds when spoken toNot StartedMakes different kinds of sounds to express feelingsNot StartedIs not upset by everyday soundsNot StartedReacts to sudden noises or soundsNot StartedUses babbling to get attentionNot StartedNotices toys that make soundsNot Started