He never liked the idea of keeping his wife under his thumb and so he let her do what she liked. A. Pressed down B. Unduly under control C. Below his thumb D. Under tyrannical conditions.

The correct answer is: B. Unduly under control.

The phrase “under his thumb” means to be controlled or dominated by someone else. In this case, the man never liked the idea of controlling his wife, so he let her do what she liked.

The other options are not correct because they do not accurately describe the meaning of the phrase “under his thumb.” Option A, “pressed down,” means to be