发行4亿股以上、参与报价的询价对象不足50家，发行人不得定价并应中止发行。 （ ）
参考答案：对
生长势评语不用（）表示。
A portfolio is equally invested in Stock A, with an expected return of 6 percent, and Stock B, with an expected return of 10 percent, and a risk-free asset with a return of 5 percent. The expected return on the portfolio is:（）
A. 7.4%.
B. 8.0%.
C. 7.0%.
