試題詳解

19.Which of the following sentences is punctuated correctly?
(A) The situation was troubling disturbing, actually, so we called – for help.
(B) The situation was troubling – disturbing, actually – so we called for help.
(C) The situation was troubling, disturbing – actually – so we called for help.
(D) The situation was troubling disturbing actually – so we called for help.