完整的乙型肝炎病毒颗粒为

A．线状颗粒

B．小球形颗粒

C．大球形颗粒，即Dane颗粒

D．管状颗粒

E．弹状颗粒

() to make a good beginning, these new comers did all that they could to get themselves well prepared.

A．To be determined

B．Determined

C．Being determined

D．Determining