A:BaCl2 NaOH NaHCO3
B:Na2CO3 MgCl2 H2SO4
C:AlCl3 NH3·H2O NaOH
D:Ba(OH)2 CaCl2 Na2SO4
下列单位中,属于电荷量单位的是( )
Police are now searching for a woman who is reported to ______ since the flood hit the area last Friday .