Read the sentence below. Then, choose the correct combination of antecedents and pronouns.

“The aliens may also implant tiny metal tracking devices in the bodies of these abductees so that they can locate them easily in the future.”

A. They replaces abductees; them replaces aliens.

B. They replaces aliens; them replaces abductees.

C.They and them both replace abductees.

B. They replaces aliens; them replaces abductees.

That's just a plain ol' bad sentence. If a student had written a sentence like that, I'd have marked it for vague or invalid pronoun reference.

To choose the correct combination of antecedents and pronouns, we need to determine which nouns the pronouns "they" and "them" are replacing in the sentence. To do this, we analyze the sentence structure and the context.

In the given sentence, we have two possible antecedents: "aliens" and "abductees." Let's examine the sentence to find the suitable pronoun replacements:

“The aliens may also implant tiny metal tracking devices in the bodies of these abductees so that they can locate them easily in the future.”

The pronoun "they" refers to a subject that performs an action. In this sentence, "they" refers to the ones implanting the tracking devices. Based on this, we can determine that "they" replaces "aliens."

The pronoun "them" refers to objects or things that are being acted upon. In this sentence, "them" refers to the abductees who have the tracking devices implanted in their bodies. Therefore, "them" replaces "abductees."

With this analysis, the correct combination of antecedents and pronouns is:

B. They replaces aliens; them replaces abductees.