B. it conveys the subject of the paragraph.
A topic sentence is the main idea which is the subject of the paragraph.
One cause, (forgot to set alarm clock) & many effects in result ( missed bus, arrived late for school, and missed math test)
One cause- all because of forgetting to set the alarm clock. Thus, many effects.
It is the evening of August 6. After 12 hours of post-bomb suffering, a Japanese naval launch moves slowly down the seven rivers of Hiroshima, stopping at strategic spots. A young naval officer in a neat uniform announces that there is hope and that the people should be patient because help — a naval hospital ship — is coming. The survivors breathe easier knowing help is on the way.
