Hello can you help me undrstand which one is correct and why

What is the definition of scathing? a. to assail with abusive language c. to deter by advice or persuasion b. bitterly severe, as a remark d. the west wind; a mild wind

1according to the passage, carol-ann normandin had all of the following symptoms except

Acredible source is one that is (4 points) select one: a. with bias b. not useful c. persuasive d. trustworthy