Select the sentence that does NOT have an agreement error.

1.a. After the walk he developed some sharp chest pains and was helped with a nitroglycerin tablet.

b. After the walk he developed some sharp chest pains and apparently were with a nitroglycerin tablet.

c. After the walk he developed some sharp chest pains, and apparently is helping with a nitroglycerin tablet.
ANSWER:
a does not have an agreement error.

"a" is correct, yes.

To determine which sentence does not have an agreement error, we need to identify if there is any inconsistency between the subject and verb in each sentence.

In sentence 1.a, the subject "he" is matched with the correct verb form "was helped." This shows agreement between the subject and verb.

In sentence 1.b, there is a subject-verb agreement error. The subject "he" is singular, but the verb form "were" is plural. To correct the agreement error, it should be "and apparently was helped with a nitroglycerin tablet."

In sentence 1.c, there is also a subject-verb agreement error. The subject "he" is singular, but the verb form "is helping" is singular. To correct the agreement error, it should be "and apparently was helped with a nitroglycerin tablet."

Therefore, sentence 1.a does not have an agreement error.