TOEFL Reading: ETS-TOEFL阅读机经 - Y8PQCXV3U5I6LNASL$

What is the author's purpose in using the parenthetical phrases "it is argued"? A. To indicate that the view that workers are reluctant to leave subsidized housing is widely accepted B. To suggest that the view that workers are reluctant to leave subsidized housing has not been proved true C. To emphasize that the view that workers are reluctant to leave subsidized housing was based on careful reasoning D. To oppose the view that workers are reluctant to leave subsidized housing