thE mAtEriAl in thE pAssAgE CoulD BEst BE usED in An ArgumEnt For ______.
A．inCrEAsED FunDing For rEsEArCh on Amorphous mAtEriAls
B．FurthEr stuDy oF thE history oF siliCon CrystAls
C．inCrEAsED rEliAnCE on solAr EnErgy
D．trAining morE sCiEntists to stuDy EnErgy proBlEms