Skip to content
Prep
Freely
Home
TOEFL
IELTS
Guides
Log in
Sign up
P
Account
Profile
My progress
Settings
Log out
TOEFL
/
Listening practice
/ Section CU2X
Listen to an Academic Talk
Listen to part of a talk.
Listen
41. What limitation of inspecting collected bags is mentioned?
A
It prevents researchers from assessing sorting results.
B
It requires an observer to stand beside each bin.
C
It makes students more aware that they are being watched.
D
It does not reveal the individual decisions that produced the contents.