sentence: D. Perhaps bilingual school creation might be a good idea for Colombian education improvement , but it would be appropriate to be aware that Colombia actually has public schools with a basic education where English is considered as another academic subject , in contrast with the private ones .
modified: D. Perhaps , bilingual school creation might be a good idea of Colombian education improvement , but it will be appropriate to be aware that Colombia actually has public schools with a basic education where English is considered as another academic subject , in contrast with the private ones .
transformation: PUNCT, PREP, VERB:TENSE