B. His or her. Because the other ones are not correct grammar. I might be wrong and if I am the answer is A. Their.
Answer:
“Why Choose a Career in Dental Medicine.” LECOM, 16 Mar. 2021, lecom.edu/dental/dental-career/#:~:text=Dentists%20provide%20services%20that%20improve,feel%20better%20about%20their%20smiles.&text=Dentists%20provide%20an%20essential%20health,highly%20respected%20within%20the%20community.
“Why Choose a Career in Dental Medicine.” LECOM, 16 Mar. 2021, lecom.edu/dental/dental-career/#:~:text=Dentists%20provide%20services%20that%20improve,feel%20better%20about%20their%20smiles.&text=Dentists%20provide%20an%20essential%20health,highly%20respected%20within%20the%20community.
Explanation:
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Answer:
No, they are not the same.
Explanation:
While each of these phrases have a similar meaning of not knowing something or paying attention, some phrases are more informal than others.
The tone of each phrase is also different, and they therefore might be used in different scenarios.
Hope this helps! Have a great day! :)