Although he had a disease of the brain which _____, he decided to continue _____ his research and his writing.

A. was getting worse; with 　 B. got bad; for

C. is getting bad; to 　 　　　D. get worse; at

句型转换

完成B句，使其与A句意思相同或相近。（每空一词）

A．Although he had a disease of the brain which was getting worse, he decided to continue with his research.

B．Although he had a disease of the brain which was getting worse, he decided to _____ _____ _____ his research.