SE序列中，下面哪种条件可以获得T1加权图像？（ ）Which of the following parameters in the SE sequence can lead to a T1-weighted image?（ ）

A、长TE,长TRlong TE and long TR;

B、长TE,短TRlong TE and short TR;

C、短TE,短TRshort TE and short TR;

D、短TE,长TRshort TE and long TR