Identify the sentence with a grammatical error. The physicist, along with her team, are conducting groundbreaking research

The physicist, along with her team, are conducting groundbreaking research

Despite the challenging conditions, he persevered in his quest for knowledge.

The book, which has been read by millions, remains a classic.

Their commitment to excellence is evident in all that they do.

he sentence with a grammatical error is:

A) The physicist, along with her team, are conducting groundbreaking research.

The correct sentence should be:

The physicist, along with her team, is conducting groundbreaking research.

Here, the subject is "the physicist," which is singular.

Therefore, the verb should also be singular, "is."

The phrase "along with her team" is just additional information and doesn't change the subject's singularity.