Provided They Are Competent, Who CANNOT Be Compelled to Give

Provided they are competent, who CANNOT be compelled to give evidence? S80 (2) PACE makes a wife compellable for the prosecution if the offence is specificied in S80 (3)

A) The defendants neighbour
B) The ex-spouse of the accused
C) The 16 year old child of the defendant
D) The mentally disabled mother of the defendant
E) The defendants wife, when the defendant is charged with assailting her