hogann wrote:
To this day, researchers and theorists debate whether bubonic plague caused The Black Death, a pandemic that swept the world in the middle of the fourteenth century.
A. whether
B. whether or not
C. about whether
D. as to whether
E. if
"Whether" is the most concise way to indicate that researchers and theorists are debating between alternative causes of the pandemic.
(A) CORRECT This sentence is correct as written for the reason stated above.
(B) "Whether or not"
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