『The Lovebirds』2
Eleanor Farjeonの『The Lovebirds』という短編からの質問です。
The cat turned away as though it was thinking of something else, and Susan put her hand down to the lovebird, and the lovebird hopped on to her finger. Now to have a lovebird sitting on your finger is as lovely a thing as anyone can wish for on a summer day; it was the loveliest thing that had happened to Susan Brown in all her life. But that wasn't all; for just as they got to the cage-door the lovebird stretched out its beak, and picked a rose-pink fortune from the packet, and gave it to Susan. She couldn't believe it was true, but it was. She put the lovebird in the cage, and went back to her corner with her fortune in her hand.
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it was the loveliest thing that had happened to Susan Brown in all her life. But that wasn't allについて、
it was the loveliest thing that～のthatは関係代名詞ですか？
it＝to have a lovebird sitting on your fingerですか？
that wasn't allはit wasn't allにはできないのでしょうか？
教えていただけると助かります。
よろしくお願いいたします。
お礼
回答頂きありがとうございました。