Select the arrangement that forms the most logical and grammatically correct complex sentence. Choose the correct sequence.
Fixed Segment: Whenever the city experienced heavy rainfall,
A. commuters hurried to catch early trains,
B. drains overflowed onto the streets,
C. traffic congestion intensified dramatically,
D. emergency crews worked throughout the night.

Correct option is D

Option (d) BDCA is the correct order of the given sentences.
Correct Sentence:
Whenever the city experienced heavy rainfall, drains overflowed onto the streets, emergency crews worked throughout the night, traffic congestion intensified dramatically, commuters hurried to catch early trains.
Explanation of why it is the correct order grammatically:
· B comes first because overflowing drains are the immediate consequence of heavy rainfall.
· D follows logically as emergency crews respond to the flooding.
· C naturally comes next because flooded roads increase traffic congestion.
· A concludes the sequence by describing how commuters react to the worsening situation.
The sequence follows a clear cause-and-effect progression, making the paragraph coherent.
Tips for Sentence Rearrangement:
· Identify the main cause first.
· Arrange subsequent events in logical order.
· Watch for connectors such as therefore, because, however, then, etc.
· Ensure each sentence naturally leads to the next.