Pick out the part of the sentence which has an error. If there is no error, mark ‘4’.
It means not only conserving energy /(A) and decreasing overall consumption but also /(B) using efficient generation renewable energy sources /(C).
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → C
Joining items in a list:
- Two noun phrases that are objects of the same verb must be joined by a conjunction such as "and".
- This sentence: in "using efficient generation renewable energy sources", the phrases "efficient generation" and "renewable energy sources" stand side by side with nothing to join them.
- Corrected: using efficient generation and renewable energy sources
Example: The new plan means using solar panels and wind turbines.
(A) It means not only conserving energy — No error. Not only is correctly followed by the -ing form "conserving".
(B) and decreasing overall consumption but also — No error. "Decreasing" matches "conserving", and but also completes "not only".
(C) using efficient generation renewable energy sources — Error. The two noun phrases need and between them.