Final answer:
The statement that suggests Joanne is anxious or concerned is when she was fidgeting with her pen and avoiding direct eye contact, which are behaviors associated with anxiety.
Step-by-step explanation:
The statement that includes details suggesting that Joanne is anxious or concerned is: c) Joanne was fidgeting with her pen and avoiding direct eye contact during the discussion. This behavior is indicative of anxiety or nervousness, as evidenced by various scenarios that describe similar non-verbal cues, such as restlessness, avoiding eye contact, and increased irritability. In contrast, the other statements suggest confidence, comfort, or active engagement, which are typically not associated with anxiety.