There --- many difficulties regarding the situation.
Correct answer: C. were
- A. should
- B. was
- C. were
- D. is
Explanation
The correct answer is 'were' because it matches the plural subject 'difficulties.' The sentence 'There were many difficulties regarding the situation' indicates that multiple challenges existed in the past. The use of 'were' properly reflects the plural nature of the subject. The other options are incorrect because 'should' and 'is' do not fit the required verb form for plural subjects, while 'was' is a singular past tense verb that does not agree with the plural subject 'difficulties.'
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About Acellular Life
Viruses are acellular infectious particles whose capsid, nucleic acid and host-dependent replication distinguish them from living cells. HIV infection covers transmission, replication, effects on helper T cells, progression to AIDS, symptoms, prevention and treatment, while AIDS is the disease state caused by advanced immune-system damage rather than a separate virus.
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