I need more info before this can be answers like what dose sentence 7 say
C. A heavy rainstorm.
The text shows indication of a storm arriving. “Clouds arrived” are an indicator that clouds quickly appeared. “Lightning flashed” tells us these are storm clouds. It makes sense that next it would start raining, making the next event a heavy rainstorm.
<span>B) to add authenticity
this answer is more accurate than the others </span>