I would guess a quarter note becausethats thw first one you get taught lol
B. Stationery is the answer.
A. and C. aren't actual words and D. is an adjective referring to something that doesn't move, and is in one spot. Only B. is a noun that refers to office equipment.
Connecting situations or staments in the text to something else or making a note of something so you can remember it for a later answer for a question.