Which sentence contains an idiom?
A.Martina’s heart sank when she woke up to lightning and pouring rain the morning of the picnic.
B.Jackson had a million different excuses for why he was unable to clean his room when asked to do so.
C.I was grateful for the outpouring of support I received from neighbors who helped me find my lost dog.
D.When the exam was finally over, it was great to have time for fun again after so much studying.
