What is an overly broad reference? A. It is a reference that occurs when the antecedent of a pronoun is
assumed.
B. It is a reference that occurs when the antecedent of a pronoun is
one or more general ideas or concepts instead of a single noun or
simple noun phrase.
C. It is a reference that occurs when the antecedent of a pronoun is
unclear.
D. It is a reference that occurs when there are two or more nouns in a
sentence that a pronoun could replace.

recent news about two years ago indicates that a polish forestry student by chance unearthed at a depth of about 40cm (16 inches), during digging in a damp polish forest he found a 13-page manuscript into a thermos flask.

greek jew marcel nadjari was a aischwitz slave who witnessed how the nazi's built big death chambers and crematoriums and told how he was forced to escort fellow jews to the gas chambers. he accounts on this manuscript how the nazi's disguised this chambers to look like showers. also, he describes this place as a process of extermination from the chambers to the trains arriving to take the bodies.

1# the answer is c

2#the answer is a

i think the answer would mist likely be an adjective clause, because unhappy is an adjective.