Which of the following italicized part is INCORRECT？A．The husband gave his wife half all h

Which of the following italicized part is INCORRECT？

A．The husband gave his wife half all his income.

B．Please get all your four books ready.

C．They have been having a whale of a time all these last few days.

D．Six months later, all the four monkeys were healthy.

请帮忙给出正确答案和分析，谢谢！