a) Reading a book outside, the mosquitoes began to bother me.
Explanation:
The word or words that should be modified by a dangling modifier have been missing from the phrase. Dangling modifiers make the meaning of a statement unclear.
the meaning is obvious enough: when people die, the bad things they did often stick in people’s memories, while their good deeds are forgotten. As Antony goes on to say, ‘So let it be with Caesar’.
Facts and details. The way to capture a reader's interest is seeming to know what you're doing, and you do that with facts and details. Hope this helps :)