下列可以大量共存且形成无色溶液的一组离子应该是

A．Ag⁺、Cu²⁺、NO₃^-、Na⁺

B．NO₃^-、Fe³⁺、Mg²⁺、SO₄^2-

C．Na⁺、Ca²⁺、Cl^-、CO₃^2-

D．K+、Ba²⁺、Cl^-、NO₃^-

My sister was very afraid all the way because it was the first time she ______ a car. [      ]

A. has driven      

B. drove        

C. had driven     

D. is driving