Complex sentence: Christine Cavanaugh, who played Babe in the first movie, was offered to reprise her role, but declined because of the low salary and was replaced by her "Rugrats" co-star Elizabeth Daily.
Split into simpler sentences: Christine Cavanaugh, who played Babe in the first movie, was offered to reprise her role, but declined because of the low salary. So she was replaced by her "Rugrats" co-star Elizabeth Daily.