Answer:
B Direct object is the answer
Answer: The mayor commemorates and gives praise to those who were killed while building the bridge.
Explanation:
The option that best summarizes the central idea of this excerpt is option B "The mayor commemorates and gives praise to those who were killed while building the bridge".
This can be seen in the excerpt when the Mayor of the city of Brooklyn said they should recall with kindness the work of the people who contributed to the building of the bridge but had died.
Therefore, the correct option is B.
Unluckily, you missed to show her the choices in which we can choose our answers from. However, it must be noted that for oral presentation, one must be very knowledgeable about the topic at hand and be able to present it well by being confident in front of the audience.