Which sentence does not contain any errors in comma usage?
a.
if you ever visit new haven, connecticut, be sure to eat at sally's pizza.
b.
as of september 15 2004, my new address will be 4 electric avenue, somerville ma 02144.
c.
the original london bridge was moved to lake havasu city arizona.
d.
my great-grandmother's birthdate was may 6 1923.

Read the excerpt from "death by black hole."albert einstein's general theory of relativity, published in 1916, provides the insight to understand the bizarre structureof space and time in a high-gravity environment. later research by the american physicist john a. wheeler, and others, to formulate a vocabulary as well as the mathematical tools to describe and predict what a black hole will do toits surroundings.read the excerpt from "man listening to disc."and i bow deeply to thelonious monkfor figuring out a wayto motorize or whatever-his huge pianoso he could be with us today.these excerpts are similar because both texts

Me determine which are quote or paraphrase.

In these frames, the author emphasize the challenges lqbal faced by showing