The advertisements are trying ________ people to buy things they

The advertisements are trying ________ people to buy things they don‘t really need.
A、persuade
B、persuading
C、be persuading
D、to persuade
【正确答案】：D
【题目解析】：try to do sth 固定搭配，尝试做某事(付出了一定的努力)。try doing sth 尝试做某事（不一定付出了努力）