What does 'pick up that piece of paper' mean?

English as a Second Language English Teacher Explanations (ESL Tests)
1

English Language Tests, Intermediate level

ESL/EFL Test #41 [color=blue]“Good Bye”, question 9

Thank you for your honesty. Now … up that piece of paper.

(a) take
(b) show
(c) pick
(d) hold

English Language Tests, Intermediate level

ESL/EFL Test #41 [color=blue]“Good Bye”, answer 9

Thank you for your honesty. Now pick up that piece of paper.

Correct answer: (c) pick

Your answer was: ?
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Hello Tearchers

What does “pick up that piece of paper” phrase mean?

Thank you.
Thu

2

.
It is not an idiom.
.

3

In the context of the phrase, we can say:
Pick up that piece of paper = take a paper and write.
Regards