单选题Which of the following is true according to the text?A Ali the patients whom Dr Starzl operated on died on the operating table.B To Dr Starzl it was very discouraging that his first liver transplant failed.C Many doctors had performed organ transplant

Ali the patients whom Dr Starzl operated on died on the operating table.

To Dr Starzl it was very discouraging that his first liver transplant failed.

Many doctors had performed organ transplant before Dr Starzl.

Dr Starzl didn’t give up even though he had failed in his attempts.