Identify the segment in the sentence which contains the gram

Please wait...
THANKU FOR BEING A PART OF OUR JOURNEY TO BRING "REVOLUTION IN EDUCATION"
We Genuinely APPRECIATE your PATIENCE

Coming Soon

106

M: +3.00/-0.00

Identify the segment in the sentence which contains the grammatical error.

Ever since Mary won the election, she has been behaving as if she was a queen.

[SSC Stenographer 8th Feb 2019 Shift-II]

A has been behaving

B since

C was

D the election