The answer to the student's question was displayed on the page where he had asked it.
The forum displayed some grief over the troll who had caused a flame-war.
Since "whom" is the subject of the sentence, it should be "who" not "whom."And you need some sort of noun after "the."For example:Who is displayed in the window?If you want an example of how to use the word "whom," we need to change the sentence around:Whom did they display in the window?In this example, the subject is "they" and the object is "whom." So "whom" and not "who" should be used.
The inventor displayed his prototype to the potential buyers.
The museum displayed the rarest Egyptian artifacts.
Many of the skills associated with ranching are displayed at a rodeo.
The data were all displayed in the form of a spreadsheet.
Example sentence - His teenage daughter displayed the behavior equivalent to a three year old child.
There was a new exhibition at the zoo where they displayed the white tigers.
The rainbow displayed a beautiful spectrum of colors.
The verb in the sentence is: was
The woman displayed her affluence when she gave gifts to all the people in the town.
We tried to gauge the superficial damage. The pressure guage displayed the PSI in the tire.
He displayed great discipline in following his training regimen and sticking to his goals.