For this problem you really need to understand how to use with in a sentence.
https://dictionary.cambridge.org/us/gra ... ammar/withRural dwellers can get satellite internet, but it is far slower than the ambitious satellite services that were being developed a decade ago, with longer lag times.
A. can get satellite internet, but it is far slower than the ambitious satellite services that were being developed a decade ago, with longer lag times
A is wrong because longer lag times is too far from what is should modify (satellite internet).
B. with longer lag times can get satellite internet, but it is far slower than the ambitious satellite services that were being developed a decade ago
B is wrong because it is saying the individuals themselves have longer lag times.
C. can get satellite internet, but it is far slower with longer lag times than the ambitious satellite services that were being developed a decade ago
C is wrong because it is saying far slower is with loner lag times. It should be something like it is far slower, longer lag times (etc.) In the second version longer lag times would modify it (satellite internet).
D. can get satellite internet, but it is as slow as the long lag times that the ambitious satellite services that were being developed a decade ago
D It is wrong to compare satellite internet with lag times.
E. can get satellite internet, but with longer lag times, it is far slower than the ambitious satellite services that were being developed a decade ago
E is correct.