Which of the following is a complex sentence?
a. i would like to visit the kinshasa, but i understand the city is unsafe for foreigners.
b. check out the editorial page in today's paper and you'll notice the piece by george will.
c. as jake was reading the email from june yet again, the flight attendant coughed gently to get his attention.
d. i simply cannot make heads or tails of rap lyrics, but i suppose i'm just too old to understand them.

the turtle carries new life, oat seeds, over to the other side of the highway and plants them there.

the author is showing that it is the insatisfaction of basic needs that brings about the protests such as the strikes.if workers do not earn enough to buy food and feed their families and themselves in order to continue working, what is the use of working? besides, another message from the author is that of the owners of factories should be worried about ensuring their furure by having a second and third generation of workers in their industries.if they do not hear the workers demands, they will not have any more workers to make their pockets full.