Question

researchers from the asterion observatory in santiago collaborated with ____ to monitor variable stars in the carina–sagittarius arm of the milky way. over the course of three observing campaigns between 2022 and 2024, she logged 412 hours of photometric data, and this has been added to an open - access stellar variability database. the dataset now supports ongoing research into how massive stars evolve as they approach the end of their life cycles.
2 mark for review
which choice completes the text so that it conforms to the conventions of standard english?
a astrophysicist dr. lila mensah
b astrophysicist, dr. lila mensah
c astrophysicist, dr. lila mensah,
d astrophysicist dr. lila mensah—

Explanation:

To determine the correct choice, we analyze the punctuation and structure. The phrase "astrophysicist Dr. Lila Mensah" is a noun phrase where "astrophysicist" functions as a title or description directly preceding the name, and no comma is needed (eliminating B and C). The sentence does not require a dash (eliminating D), so A is correct as it follows the convention of directly attaching the title to the name without unnecessary punctuation.

Answer:

A. astrophysicist Dr. Lila Mensah