Question

In each of the following questions, a sentence is given with four words highlighted in bold. These four words may or may not be in their correct positions. The sentence is then followed by options with the correct combination of words that should replace each other in order to make the sentence grammatically and contextually correct. Find the correct combination of words that replace each other. If the sentence is correct as it is, select 'No swapping required' as your option. The Himalayan glacier system, which supports millions of people through its encircles (

  • A role in regulating river flows, is now in serious ensuring (
  • B due to rising temperatures; scientists argue that vital (
  • C its long-term stability is essential, as the mountain range danger (
  • D several ecologically fragile regions.
A A-C and B-D
B A-D and B-C
C A-B and C-D
D Only C-D
E No exchange required
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