下列反应中，属于加成反应的是( )。

A．SO₃＋H₂O＝H₂SO₄

B．CH₂＝CH₂＋H₂O→CH₃－CH₂OH

C．CH₃Cl＋Cl₂→CH₂Cl₂＋HCl

D．CO₂＋2NaOH＝Na₂CO₃＋H₂O

-Will your mother_____ you if you_________the English exam?        

-Of course not. Because I’m trying my best.[ ]

A. be angry with；don't pass    

B. be angry with；won’t pass    

C. be angry to；don't pass

D.be angry to；won’t pass