There is a leap in measure 11 oboe line. What are the 2 notes involved in this leap?

G to D
F to C
E to B
C to G

The two notes involved in the leap in measure 11 of the oboe line are E to B.

In measure 11, the leap in the oboe line involves the notes E to B.

The leap in measure 11 of the oboe line involves the notes E to B.