The scream of the fire alarm sliced through the air. The instructor summoned me to the front of the classroom to give my oral presentation.



Which sentence most effectively combines the two sentences?


The scream of the fire alarm sliced through the air, immediately after the instructor summoned me to the front of the classroom to give my oral presentation.


The air was sliced by the scream of the fire alarm, and immediately the instructor summoned me to the front of the classroom to give my oral presentation.


Immediately after the instructor summoned me to the front of the classroom to give my oral presentation, the air was sliced by the scream of the fire alarm.


Immediately after the instructor summoned me to the front of the classroom to give my oral presentation, the scream of the fire alarm sliced through the air.