The sentence "lucy called linda on her day off" is confusing because a. it has two subjects. b. we don't know what the word called actually means. c. the antecedent of the pronoun is unclear. d. the verb called is irregular.

C. the antecedent of the pronoun is unclear

We don't know whether it is Lucy's day off or Linda's day off.

"Lucy called Linda on her day off"

Does "her" refer to Lucy or to Linda?

d

explanation:

either online or traditional classroom can work for students. which is better will depend on students and teacher. students may have trouble following a lesson in classroom while they can study at their own pace online. other students may have trouble staying focus on their own in online classes. teachers are more used to classroom teaching but they may also be more worry about their jobs teaching online classes and work harder.