单项选择题
A．do a full-time college program B．major in engineering and business C．have had some practical experience D．have gathered information about GM
A．Online sales were 61% higher than retailers. B．Online merchants had an average weekend sale. C．Retailers lost much profit because of the discounts they offered. D．Retailers had an increase in sales in the Thanksgiving weekend.
A．she has difficulty choosing from such a wide variety of goods B．she cannot decide whether she should buy some candy C．she is quite interested in buying candy D．she recalls her happy childhood days