Answer:
a- Im guessing its got something to do with dectectives looking for a dancer who's escaped.
b- That there is a lot more to the case there must be deeper information to look at for them to be able to understand.
c- " must look at it "
d- unraveled
Explanation:
la Mejor repuesta es A)
1 2 3 5
Escribiera
Since there is a past trigger, we are using the Imperfect subjunctive, which is escribiera
El libro
El hombre
El profesor
El sombrero