According to the Third Conditional, which alternative completes de sentence correctly: “If the students ______________ the instructions, they______...

According to the Third Conditional, which alternative completes de sentence correctly: “If the students ______________ the instructions, they________________ any trouble.”
A) had read; have had;
B) to read; would have read;
C) read; would have
D) reads; have;
E) had read; wouldn’t have had