After reading about Salva's life compare your life with his (A Long Walk to Water: Ch. 1-4)

Which revision fixes the dangling modifier in this sentence? while reading a new mystery book, my dog curled up in my lap and slept. a.) curled up in my lap, my dog slept while reading a new mystery book. b.) while i was reading a new mystery book, my dog curled up in my lap and slept. c.) my dog, while reading a new mystery book, curled up in my lap and slept. d.) curling up in my lap while reading a new mystery book, my dog slept.

Answer this correctly what is the cause and effect

According to the study what did john steinbeck do to prepare for his book the grapes of wrath