When he was two, if you laid him on his stomach, he began to try to move himself, straining terribly. The doctor said that with his weak heart this strain would probably kill him, but it didn’t. Trembling, he’d push himself up, turning first red, then a soft purple, and finally collapse back onto the bed like an old worn-out doll. I can still see Mama watching him, her hand pressed tight across her mouth, her eyes wide and unblinking. But he learned to crawl (it was his third winter), and we brought him out of the front bedroom, putting him on the rug before the fireplace. For the first time he became one of us.

What does the underlined imagery in this excerpt show about Doodle?

He is silly and enjoys making others laugh.
He is easily upset and likes to throw tantrums.
He is physically weak and avoids hard work.
He is determined and does not give up easily

The underlined imagery in this excerpt shows that Doodle is determined and does not give up easily. Despite having a weak heart and being warned by the doctor that he may die from the strain, Doodle pushes himself up and tries to move. This displays his perseverance and refusal to give up, ultimately leading to him learning how to crawl.

The underlined imagery in this excerpt shows that Doodle is physically weak and determined. Despite the doctor's warning that straining would probably kill him due to his weak heart, Doodle still tries to move himself. He trembles, pushes himself up, and collapses back onto the bed like an old worn-out doll. However, he eventually learns to crawl, showing his determination and unwillingness to give up.

The underlined imagery in this excerpt shows that Doodle is physically weak and does not give up easily. It describes how he strains terribly and faces the risk of death when attempting to move himself at a young age. Despite the strain and collapse, he continues to push himself up and eventually learns to crawl. This demonstrates his determination and resilience despite his physical limitations.