I think the correct options are B and C.
The most suitable responses appear to be "He should signal by raising his hand to show his desire to join the conversation" and "He should jot down notes to remind himself to conduct research on shipping later".
Louise was discussing the logistics and timing of the project when Mark interjected with a pertinent concern about time limits that might hinder raising sufficient funds for the endeavor. Nonetheless, Louise clarified the exact financial requirement after considering their existing savings.
Both were engaged in the discussion, but Mark's interruption irritated Louise. To improve the situation, Mark could conduct further research on shipping afterward without breaking the conversation's flow or affecting the timeline.
Hope this helps!
Different individuals hold various perspectives. Some may deem it irrelevant while she considers it significant. A case in point is the women's rights movement: some men and other women found it unnecessary for women to gain the right to vote or enjoy privileges similar to those of men. Suppose you admire the courage of women standing up for their rights, while your friend finds it unremarkable—this reflects differing viewpoints. Please feel free to correct me if I'm mistaken.
