客户的回访方式包括（）。
A.电话回访
B.登门拜访
C.信函或电子邮件回访
D.借助营销活动回访
参考答案：A, B, C, D
成交量、持仓量增加，价格下跌，则价格走向为（）。
A.继续下跌
B.继续上涨
C.转为下跌
D.转为上涨
Jori England, CFA candidate, is studying the value of callable bonds. She has the following information: a callable bond with a call option value calculated at 1.75 (prices are quoted as a percent of par) and a straight bond similar in all other aspects priced at 98.0. Which of the following choices is closest to what England calculates as the value for the callable bond（）
A. 96.25.
B. 99.75.
C. 96.0.
