“集中精力于……”的英文表达可以有以下哪几种？ A: to focus on B: to be preoccupied with C: to bent on D: to concentrate on

I spoke to him,<br/>but he was too ___________ to hear what I said. A: preoccupied B: concentrated C: attentive D: thoughtful

Jane Austen is particularly preoccupied with the relationship between men and women in love. Stories of love and marriage provide the major themes in all her novels

2.When marching the prisoner to the gallows, the author was preoccupied with ________. A: the man's manner of walking B: the man's thoughts at that moment C: the impending execution D: the worth of human lives

Although I really would like to help you, I’m afraid I am just too ____ right now. （ ） A: preoccupied B: engaged C: strained D: occupied

When marching the prisoner to the gallows, the author was preoccupied with________. A: the man's manner of walking B: the man's thoughts at that moment C: the impending execution D: the worth of human lives