Which of the Following Has Been Held to Amount to Oppression

Which of the following has been held to amount to oppression, making the confession inadmissible. Under S76 (2) (a) conduct which consititutes oppression that is directly linked to a confession will be inadmissible. In all of the cases above, the conduct constituting oppression, outlined in S.76 (8) . In B, swearing and rasing their voice, may seem impatient, but does not amount to oppression. See R v Emerson.

A) Police told the suspect that the husbands lover was next door, making the defendant confess in order to be moved.
B) A police officer swore and raised their voice at the suspect during questioning.
C) Police officer bullied and hectored a defedant, making him deny a murder 300 times until he confessed.
D) A suspect was tortured, denied sleep and their fingernails were torn out.