As we have known from the map of the world, this is ______.

A．twice as large an island as that

B．twice as larger as that island

C．as twice as that one

D．twice as a large island as that

某企业与李某同意签订为期1年的劳动合同，双方可约定的最长试用期为（）个月

A．1

B．2

C．3

D．6