Question

イェケリマイザー

⑶の答えが3なのもわかりますが、そのまえに、良い行動と集中力の向上にもつながる的なことを書いていたから、わたしは1もありえると思うのですが、なぜでしょう。

lunches. For example, the PCRM advises schools to provide
one
vegetarian
dish daily as well as fresh fruit and a non-dairy drink. Research shows
that these food choices have low fat content, fewer calories, and greater
amounts of fiber and nutrients. They also promote good behavior and
better concentration. Schools that eagerly adopted the PCRM guidelines
( 3 ) children's attitudes and plan to continue with these healthy
choices. Hopefully, with the help of the PCRM, the new guidelines will
spread rapidly throughout the United States.
⑤
3 Even then
2 By mistake
(1) 1 As usual
(2) 1 are making excuses
3 helped cause the situation
(3) 1 contributed research about
3 experienced positive changes in
4 In addition
2 have already solved the problem
4 will be in charge
2 dismissed the good results about
4 wondered about the effects on