Yet every one of these disasters has actually happened somewhere, and many real communities have already suffered a substantial number of them. A grim specter has crept upon us almost unnoticed, and this imagined tragedy may easily become a stark reality we all shall know. Which words and phrases from the excerpt best support the author’s purpose of creating a sense of alarm about the environment?a. these disasters.
b. actually.
c. happened.
d. grim specter.
e. almost un-noticed.