Which of the following sentences CORRECTLY converts the direct speech into repor...

Questão de Inglês da banca CPCON aplicada no concurso Prefeitura de São José de Piranhas PB (2024). Confira a resolução completa abaixo:

Which of the following sentences CORRECTLY converts the direct speech into reported speech with all necessary changes in tense, pronouns, and time expressions? Direct Speech:
"I have been working on this project for two weeks, but I can't finish it before next Monday because my colleagues aren't helping me," John explained yesterday.