A．The first right to occupy something．
B．The first impression．
C．The extreme focus of attention．
D．The question．

A．When Karen was in a great hurry to smoke，she would feel much anxiety．
B．If she selected the fourth item on the shelf in a group，the fourth child must experi-ence some unknown disaster．
C．Drinking four cups of coffee would make Karen more comfortable than drinking two cups．
D．Karen was a mother of four sons．

A．demonstrate her children’s safety was closely related to the item she selected in the store
B．account for Karen’s inability to perform everyday activities
C．show how specific numbers were related to the safety of her children
D．further explain that Karen was suffering from a psychological illness