A “using the cathedral-size ATLAS and CMS detectors,”– (lines 14-15) has as its subject“the spokespeople of the collaboration”.
B “and other phenomena”– (line 16) has a word whose plural form isphenomenon.
C “based on analyses of the data collected to date.”– (lines 19-20) meansthe analyses collected up to that time.
D “it does promise to be interesting”– (lines 20-21) has anauxiliary verb used for emphasis.
E “have seen hints of the elusive Higgs boson”– (lines 22-23) has words whose synonyms are respectivelycuesandobscure.