求助：that 可以指代复数？

slmointhda

OG 13 Q126
The use of lie detectors is based on the assumption that lying produces emotional reactions in an individual that, in turn, create unconscious physiological response.
A) that, in turn, create unconscious physiological responses.
B) that create unconscious physiological responses in turn.
C) creating, in turn, unconscious physiological responses.
D) to create, in turn, physiological responses that are unconscious.
E) who creates unconscious physiological responses in turn.

ans is A.

问题是，that 指代的reactions是复数。我印象中that是指代单数可数或者不可数。哪位可以clarify一下？谢谢！

michellerao11

that
[th at; unstressed th uh t]
Spell Syllables
Examples Word Origin
pronoun, plural those.
1.
(used to indicate a person, thing, idea, state, event, time, remark, etc., as pointed out or present, mentioned before, supposed to be understood, or by way of emphasis):
That is her mother. After that we saw each other.
2.
(used to indicate one of two or more persons, things, etc., already mentioned, referring to the one more remote in place, time, or thought; opposed to this):
This is my sister and that's my cousin.
3.
(used to indicate one of two or more persons, things, etc., already mentioned, implying a contrast or contradistinction; opposed to this):
This suit fits better than that.