Question

In the following questions, a sentence is given with a blank, followed by three alternatives (

Q: Answer-In the following questions, a sentence is given with a blank, followed by three alternatives (A), (B...

Rule A direct question in quotes needs a proper reporting verb tag after it. A is correct asked a leading research scientist correctly follows the quoted question as a reporting clause. The structure is grammatically complete and natural. B is correct was the question raised by researchers is a grammatically valid passive reporting construction and correctly connects with the quoted question. C is incorrect did the chief astronomer inquire is not a suitable reporting clause after the quoted question. The use of did creates an interrogative structure, whereas a reporting clause should state who asked the question. Moreover, inquire generally requires a complement in this context, such as inquire aboutf

A , (
A asked a leading research scientist (
B , and (
B was the question raised by researchers (
C . You are required to choose the correct combination of these alternatives from the given options (a, b, c, d, e) that fits the blank grammatically and contextually. If none of the provided alternatives fit the blank, select option (e) as your answer. "Can heavy dark matter particles accumulate at the core of a dense star and trigger its complete collapse?" ___________ during the astrophysics symposium. (
C did the chief astronomer inquire