Read the following sentence.

We couldn't believe it when we saw the flash mob gathering.

Which type of sentence is the above example?
A.
complex sentence
B.
compound sentence
C.
simple sentence
D.
compound-complex sentence

Please select the best answer from the choices provided

A
B
C
D

Which phrase most closely matches the meaning of the word pleasantries in this excerpt from susan glaspell's trifles? county attorney: (as one turning from serious things to little pleasantries) well ladies, have you decided whether she was going to quilt it or knot it? a. tea cakes b. trivial talk c. foolish actions d. childish behavior