The Next Few Questions Are Based on the Following Description

The next few questions are based on the following description.
A biology student hiking in a forest happens upon an erect, 15-cm-tall plant that bears microphylls and a strobilus at its tallest point. When disturbed, the cone emits a dense cloud of brownish dust. A pocket magnifying glass reveals the dust to be composed of tiny spheres with a high oil content.
-A dissection of the interior of this organism's stem should reveal

A) lignified vascular tissues.
B) cuticle.
C) gametangia.
D) that it is composed of only a single, long cell.
E) a relatively high proportion of dead, water-filled cells.