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SAT® Reading and Writing

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Meaning 3

SATRW-GVKKGK

The Thief in the Mirror, Frans B. M de Waal

De Waal, Frans B. M. "The Thief in the Mirror." PLOS Biology (2008): n. pag. Journals.plos.org. Web. 20 Mar. 2016.

“MSR is sometimes seen as a Rubicon, setting animals with a sense of self apart from those lacking such a sense.” In this sentence, what is the meaning of "Rubicon?"

A

Test result.

B

Point of no return.

C

Game of classification.

D

Misleading characteristic.