Which of the Following May Be a Factor in Explaining

Which of the following may be a factor in explaining why viral ssRNA genomes are not usually as long as the dsDNA genomes?

A) It is much more difficult to package a large ssRNA genome into a capsid.
B) Long ssRNA molecules form too many secondary structures that inhibit replication.
C) Long RNA genomes are difficult to translate.
D) Long RNA genomes are difficult to transcribe.
E) Long pieces of RNA are easily broken by mechanical damage.