The reporters who covered hurricane katrina are best known for
encouraging the public and celebrities to donate money
reporting on the dangerous rescues and tragic stories of katrina victims
forcing mike brown to resign from fema
supporting the government's efforts to victims

The reporters who covered Hurricane Katrina are best known for "reporting on the dangerous rescues and tragic stories of Katrina victims".

Option B

Explanation:

In August 2005 the Hurricane "Katrina" arrived with devastating effects on Louisiana and Florida especially in New Orleans. Katrina caused catastrophic destruction and casualties nearly 1,245 to 1,836 people died and since the 1928 Okeechobee hurricane, recorded as the deadliest United States hurricane.

On the morning of 28 August, Katrina gained Category 5 status and reached its peak intensity at 1800 UTC. Reporters needed to face one of the most dangerous and horrifying task for capturing exploiting moments and report on the dangerous rescues.

in other words

to put it differently

for one thing

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in this case

for this reason

to put it another way

that is to say

with attention to

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important to realize

another key point

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point often overlooked

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on the positive side

on the negative side

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notably

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to enumerate

1)a

2 b

3 d

4 d or b

explanation: