Qn:277

Europe’s travel industry is suffering as a result of a sluggish economy, a stretch of bad weather, as well as the chilling effects of terrorist activity that is persistent.

(A) as well as the chilling effects of terrorist activity that is persistent
(B) and the chilling effect of terrorist activity that is persistent
(C) but persistent terrorist activity has had a chilling effect too
(D) and the chilling effects of persistent terrorist activity
(E) as well as the chilling effects of terrorist activity that persists

Official Answer: D