Subject verb agreement<span> refers to the fact that the </span>subject<span> and </span>verb<span> in a sentence must agree in number. In other words, they both must be singular or they both must be plural. You can't have a singular </span>subject<span> with a plural </span>verb<span> or vice versa.</span>
I would say the correct answer is - <span>But the doctor's four friends had taught no such lesson to themselves. They resolved forthwith to make a pilgrimage to Florida, and quaff at morning, noon, and night, from the Fountain of Youth.
As you already said, allegory is something that tells us a deeper and more important story than what may seem on the surface. So these four people don't just want to go on a pilgrimage and find the Fountain of Youth on a whim - there must be something important behind their decision.
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<span>"Maybe not. Maybe, just maybe, there's something they've missed that's important. With patience and calm, even a burro can climb a palm."
"...even a burro can climb a palm" - This last was one of her many Dominican sayings she had imported into her scrambled English.
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