How should this analogy be read ?

heart; body: : engine; car
a. heart is a part of a body, engine is a part of a car
b. heart is to body as engine is to car
c. heart and body, engine and car
d. heart and engine are parts, body and car are the whole

A. heart is a part of a body, engine is a part of a car

ich statement best shows a problem in travels with charley?

one sharp difficulty presented itself. in the intervening twenty-five years my name had become reasonably well known.

this being so, my trip demanded that i leave my name and my identity at home.

i had to go alone and i had to be self-contained, a kind of casual turtle carrying his house on his back.

with all this in mind i wrote to the head office of a great corporation which manufactures trucks.

a simple sentence must have at least one dependent clause.