quEstions 19-22

A、thEy Blush morE rEADily thAn womEn Do.
B、thEy’rE unComFortABlE pErForming in Front oF ADults.
C、thEy Don’t rEsponD to strEss wEll.
D、thEy Blush lEss FrEquEntly thAn ADults Do.