从所给四个选项中，选择最合适的一个填入问号处，使之呈现一定的规律性。（）
A．A
B．B
C．C
D．D
参考答案：D
小麦种子中的哪部分结构含有脂肪？哪部分结构含有淀粉？
Which of the following statements regarding the supply of labor is least accurate（）
A. The income effect of a wage increase is to decrease the amount of labor supplied.
B. Capital goods that increase productivity in the home can affect the supply of labor positively.
C. Other things equal, an increase in the wage rate will lead to an increase in the amount of labor an individual will supply.
