题干
— Jim is good at English.
— _______. He often speaks to foreigners.
A：So is he.
B：So he is.
C：So was he.
D：So he was.
答案(点此获取答案解析）
B
— Jim is good at English.
— _______. He often speaks to foreigners.
A：So is he.
B：So he is.
C：So was he.
D：So he was.
中，
，公比
，用
表示它的前
项之积，即
，则数列
中的最大项是( )