When Irvin Went into Lowe's to Buy His Wife a Small

When Irvin went into Lowe's to buy his wife a small tool set she said she wanted,the sales clerk suggested a larger set with a tool kit on wheels that included a router and circular saw.In this example,the sales clerk engaged in:

A) trading up
B) suggestion selling
C) bait and switch
D) customer relationship retailing
E) service-disguised selling