下面哪个句子出现了悬垂修饰语?
A: Lyingonmybackontheraft，thestarsburnedbrightlyinthesky.
B: Afterclimbingthemountain，theval1eycouldbeseenspreadoutbelow．
C: Tosavetime，manypassengerscrossedtherailway.
D: Aftersittingfortwohoursoutsidehisoffice，thedoctorfinallycalledmeintohisoffice.
A: Lyingonmybackontheraft，thestarsburnedbrightlyinthesky.
B: Afterclimbingthemountain，theval1eycouldbeseenspreadoutbelow．
C: Tosavetime，manypassengerscrossedtherailway.
D: Aftersittingfortwohoursoutsidehisoffice，thedoctorfinallycalledmeintohisoffice.
