Everything that was essential seemed to be right there in the car with her. She lacked nothing. She even felt more compact and confident than usual. She was all there, and something else was there, too, in her heart, was it, or under her cheek? Anyhow, it was about her somewhere, that warm sureness that sturdy little companion with who she shared a secret. What tone is created by personifying Thea's sureness?
A
a jovial tone
B
a reflective tone
C
an intimate tone
D
an optimistic tone