The option correct is D
predicate nominative
because the verb /is / is a linking verb
Answer:
They hid in an attic apartment behind Otto Frank's business, the door to which was disguised behind a bookcase. They could not leave the apartment, remained quiet, and took other measures to ensure their safety as best they could.
Explanation:
Described in detail in Anne's diary
Answer:
A
Explanation:
I am almost 100% sure its A, it's been awhile since I've had a class on this.
I would say the correct answer is that has an undetermined answer.
If a subject has been thoroughly covered, then there is no need for this researcher to do it all over again. If it's impossible to answer, there is no need to try. If it can be answered easily, then it doesn't really require a research. This leaves us with the last option, because a researcher might want to try and determine the answer.