Question

Karen wants to revise a sentence to create sense of anger.

Answer 1

It would be C) Her mother glared at her. 

You see, glaring shows anger or disappointment towards someone, therefore, using this in the sentence would most definitely create a sense of anger. 

Answer 2

C. Her mother glared at her

can be the best option Because when someone glares at you they are upest at you no? so if you want to create a sense of anger it wouldn't be by looking or staring or glancing at her it would be Glare.