thE Book mEntionED in this pAssAgE is writtEn For rEADErs who ______.
A．ArE intElligEnt CollEgE stuDEnts AnD lAy pErson who Do not know muCh ABout sCiEnCE
B．ArE gooD At proDuCing vArious gADgEts
C．work in A storEhousE oF DriED FACts
D．wAnt to hAvE A supErFiCiAl unDErstAnDing oF sCiEnCE