The open window. which of the following expresses a main theme of the text?

a
people often have trouble letting go of distressing past experiences.
b
skillful storytellers can make others believe the tales that they spin.
c
having fun at another’s expense is okay as long as no one gets hurt.
d
once one has started telling lies, it can become difficult to stop.

what part do you need with?

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia