Let's see...
What other way can be describe <span>$1.00 ? Here are some: one Dollar, one US Dollar (to differentiate from for example Taiwan dollars), one buck (colloquially).
and "Dollar" has exactly 6 letters: d-o-l-l-a-r.
We can just say "dollar" instead of "one dollar" since it's in singular form - plural would be "dollars"
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The sentence that contains the dangling modifier is this: IN A RUSH, THE SLOW TRAFFIC WAS GRATING ON MY NERVES.
A dangling modifier refers to an ambiguous grammatical expression, that is constructed in such a way that, it makes it very easy for the grammatical modifier in the sentence to be associated with the wrong word or with no word at all.
Sentences with dangling modifiers should be re-written in such a way that it will be very easy to recognize the word that the modifier is modifying.
In the statement given in option A, it can be seen that it is very difficult to know who or what the rush is referring to; we can not say for sure may be it is the writer that is in a rush or may it is the slow traffic that is grating her nerves in a rushing manner.<span />
The definition of the antecedent of a sentence is that if a word refers to a previous noun or pronoun in the sentence, that pronoun or noun is its antecedent. Let's eliminate some options. Looked is a verb so it cannot be. All around the room is a general space qualifier and thus this is irrelevant too (it does not refer to Samuel's room for example). Now we find the relevant part, "his shoes". The pronoun is his. Hence, we have that the antecedent is Samuel.
