Answer:
An intoductory hook is a sentence to draw the reader's attention. Usually, the hook is the first line of a story to immediately catch the reader's eye.
In this case, the intoductory hook is "The use of imagery is a popular technique in short fiction."
Answer:
How does hearing about T-cells from the doctor affect the speaker? ... It causes the speaker to feel confusion about what T-cells do.
Explanation:
So I would guess B! <3
Archeologists studies objects that are left behind by humans. Archeologists actually studies the fossils and the art effects that are recovered by excavation to know more about the people living long ago. The Archeologists can easily determine the time in which these arteffects belong and also the ways in which the people of that age lived and died. The tools, the buildings, tooths, skeletons etc reveal the real secret of time. The Archeologists are the people that help in revealing the secrets that have vanished long ago with passage of time.