Odina was looking through Chemical Week, a trade journal, and saw an advertisement for Morre$-$Tec Industries. Other advertisements had not caught her eye but Morre$-$Tec's did because her company had purchased from them before and had a good experience. This is an example of $\_\_\_\_\_\_.$

a$.$ selective attention

b$.$ selective perception

c$.$ selective retention

d$.$ selective exposure