Jenny went out of the classroom _______ saying a word. She was really angry. [ ]

A. with

B. not

C. without

D. not

下列各组中三种物质均为稀溶液，只用酚酞试液不能将三种物质区别开来的组是[ ]

A.NaOH  Ca(OH)₂  NaCl

B.KOH  H₂SO₄  NaNO₃

C.NaCl  BaCl₂  K₂SO₄

D.Ca(OH)₂  Na₂CO₃  BaCl₂