Question

くま

なぜ2になるのか
わかる方いらっしゃったら解説お願いしますm(_ _)m

At first, the marketing department and the sales department were working on
the project together. But pcople in the sales department were too busy, so now
the project is being run (
1 needlessly
) by the marketing department.
3 scientifically
ひt
2 entirely
4 violently

Answer 1

Encrypted

sales department とmarketing department は元々一緒にあるプロジェクトに取り組んでいて、しかしsales department の人がいそがしかったのでmarketing departmentによって(全て)そのprojectが運営されている。
という意味なので全てに該当するentirelyが当てはまります