单项选择题
What did Mr. Ericsson do on February 21
A．He sent the final report to Ms. Fields.
B．He attended an awards ceremony.
C．He visited Sullivan Charities.
D．He mailed out the acceptance letter to Ms. Fields.
B．He attended an awards ceremony.
C．He visited Sullivan Charities.
D．He mailed out the acceptance letter to Ms. Fields.