A medieval manuscript called L contains all eighteen extant tragedies

by the Greek playwright Euripides. Of these, ten called the “select

plays,” are accompanied in L by ancient commentaries and also

appear in other medieval manuscripts; this group includes some of

Euripides’ best-known works, including the Medea. The other eight,

which appear in alphabetical order, without commentary. The Electra is

one of the alphabeticals.

Which of the following can be reliably concluded on the basis of the

Statements given?

A.B.C.D.E.