GMAT Test Prep: SC-93470104 GMAT Sentence Correction | TOEFL IELTS GMAT GRE SAT ACT PTE ESL

El Ni?o, the periodic abnormal warming of the sea surface off Peru, a phenomenon in which changes in the ocean and atmosphere combine allowing the warm water that has accumulated in the western Pacific to flow back to the east.

Select one of the following answer choices

A a phenomenon in which changes in the ocean and atmosphere combine allowing the warm water that has accumulated

B a phenomenon where changes in the ocean and atmosphere are combining to allow the warm water that is accumulating

C a phenomenon in which ocean and atmosphere changes combine and which allows the warm water that is accumulated

D is a phenomenon in which changes in the ocean and atmosphere combine to allow the warm water that has accumulated

E is a phenomenon where ocean and atmosphere changes are combining and allow the warm water accumulating