—I don’t think I need to buy that toy penguin—it’s for kids.

—__________you don’t have kids, buy it anyway because it looks good.

A．As if

B．Even if

C．In spite of

D．Even so

对于加油站油品，差异化的营销战略在其生命周期的（）最为有效。

A、导入期

B、成长期

C、成熟期

D、任意时期