Possible Clues:

• It's obvious one must plunge up along with ten more
• It's a clear plunge up over the net that's broken
• Manifest; obvious
• Happening to keep papers on display
• It's clear I've got set back by depression
• It's obvious I'd engaged in contest
• Marked
• It's clear I'd entered sporting contest
• Plain instinct to enter contest
• Obvious I'd cut through tournament