will be ولا would have been ؟؟؟؟؟

[محمد خالد ابراهيم]

3- Mona promised that she ............ home tomorrow.
a) be b) would have been c) will have been d) will be

وياريت اللى يجاوب يقولى وجهة نظره ؟؟؟؟ انا بقول ( b ) لان الجملة ماضى ولا اييييييه ؟؟؟