B would be the answer to this
Answer:
I think it is 'sentence 4'
Explanation:
maybe
Port. A. to carry (think of a portal, it <em>carries </em>someone from one place to another)
Voc. D. voice; to call (think of the vocals of a song)
Tract. C. to pull (think of what a tractor does)
Vac. E. to be empty (think of what a vaccum does)
Struct B. to build, form (think of a construction worker's job)