Question

what is the meaning of the foreign expression in bold? in 2014, giant moths swarmed en masse in parts of southeast asia. more than eight hundred sightings were reported in singapore, while thousands disrupted a soccer match at darul makmur stadium in malaysia. fatally unexpectedly as a group coincidentally

Explanation:

"En masse" is a French expression meaning in a large group or all together. In the context of the sentence about moths swarming, it implies they came in large numbers as a group.

Answer:

C. as a group