代表行业的超额利润率的指标是( )。

A．托宾q值

B．贝恩指数

C．勒纳指数

D．利润率

(A) 条件(1)充分，但条件(2)不充分．
(B) 条件(2)充分，但条件(1)不充分．
(C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
(D) 条件(1)充分，条件(2)也充分．
(E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

In 1988, was the number of people in City X greater than three times the number of people in City Y
(1) In 1988, there were approximately 1. 1 million more people in City X than in City Y.
(2) In 1988, the 300,000 Mormons in City X made up 20 percent of its population, and the 141,000 Buddhists in City Y made up 30 percent of its population.