This afternoon I went to see my grandfather by a bus. It was very crowded and I had to stand. Besides me there was a woman held a little boyin her arms. In front of her, a young man occupies two seats, pretending to be sleeping. I heard the little boy curious asking his mother, “What’s wrong with the uncle?” I had thought if perhaps the woman would blame the man. Beyond her expectations, the woman answered with a smile, “Be quiet. This uncle must very tired because of hard work.” The young man must haveheard the word. His face turned red and offered one seat for the woman at once.

广播电视招聘广告不太适合的场合是( )。

A．需要在短时间内展开“闪电式轰炸”的时候
B．招募对象为专业性比较强的人员
C．职位空缺有许多种
D．在某一地区有足够的求职者