单项选择题

The first folio edition of the collected works of William Shakespeare was originally published in 1623 as Mr. William Shakespeare’s Comedies, Histories & Tragedies . This folio edition is the major source for contemporary texts of his plays.
The publication of drama in the early seventeenth century was usually left to the poorer members of the Stationers’ Company and to outright pirates. The would-be publisher only had to get hold of a manuscript, legally or illegally, register it as his copy, and have it printed. Sometimes the publisher dispensed with the formality. Such a man was Thomas Thorpe, the publisher of Shakespeare’s sonnets in 1609.
Titus Andronicus was the first play by shakespeare to be published and was printed by a notorious literary pirate, John Danter, who also brought out, anonymously, a defective Romeo and Juliet, largely from shorthand notes made during performance. Eighteen of Shakespeare’s plays were printed in quartos (books about half the size of a modern magazine) both "good" and "bad"before the First Folio (a large-format book) was published in 1623. The bad quartos are defective editions, usually with badly garbled or missing text.
For the First Folio, a formidable project of more than 900 pages, five men formed a partnership, headed by Edward Blount and William Jaggard. The actors John Heminge and Henry Condeli undertook the collection of 36 of Shakespeare’s plays, and about 1,000 copies of the First Folio were printed by Isaac Jaggard, William’s sore In 1632, a second folio was issued and in 1663,a third. The latter included Pericles and several other plays that may not have been written by Shakespeare. These included The Two Noble Kinsmen, which is now thought to have been acollaboration of Shakespeare and John Fletcher.
The passage implies that many publishers ______.