optimism is gooD For thE hEArt, A stuDy sAiD on monDAy. thE must optimistiC Among A group oF 545DutCh mEn AgED 64 to 84 hAD A{{u}} (67) {{/u}}50 pErCEnt lowEr risk oF CArDiovAsCulAr (心血管的) DEAth ovEr 15 yEArs oF Follow-up, {{u}} (68) {{/u}}to thE stuDy puBlishED in thEArChivEs oF intErnAl mEDiCinE. {{u}} (69) {{/u}}rEsEArCh hAs suggEstED BEing optimistiC{{u}} (70) {{/u}}ovErAll physiCAl hEAlth AnD lowErs{{u}} (71) {{/u}}risk oF DEAth From All CAusEs.A{{u}} (72) {{/u}}AttituDE Also hAs BEEn shown to hElp pAtiEnts who suFFEr{{u}} (73) {{/u}}hEArt DisEAsE CAusED By nArrowED ArtEriEs (动脉). thE nEw stuDy mEAsurED{{u}} (74) {{/u}}lEvEl oF optimism ABout thEir livEs By hAving thEm{{u}} (75) {{/u}}to stAtEmEnts suCh As "i Do not look ForwArD to{{u}} (76) {{/u}}liEs AhEAD For mE in thE yEArs to ComE" AnD "my DAys sEEm to BE pAssing By slowly," or "i Am still{{u}} (77) {{/u}}oF plAns." "optimism CAn BE{{u}} (78) {{/u}}EAsily AnD is stABlE ovEr long pErioDs, {{u}} (79) {{/u}}it DoEs tEnD to DECrEAsE with AgE," sAiD lEAD rEsEArChErErik giltAy oF thE institutE oF mEntAl hEAlth inDEFt, thE nEthErlAnDs. on A{{u}} (80) {{/u}}oF zEro to thrEE, with thrEE BEing most optimistiC, thE{{u}} (81) {{/u}}sCorEs in thE stuDy{{u}} (82) {{/u}}From 1.5 in 1985 to 1.3 in 2060. highEr sCorEs wErE{{u}} (83) {{/u}}with BEing youngEr, BEing BEttEr{{u}} (84) {{/u}}, living with othErs, hAving BEttEr hEAlth, AnD Doing morE{{u}} (85) {{/u}}ACtivity. "it is yEt to BE EstABlishED whEthEr intErvEntions AimED{{u}} (86) {{/u}}improving An olDEr inDiviDuAl’s’ lEvEl oF optimism mAy rEDuCE thE risk oF CArDiovAsCulAr mortAlity," hE ADDED、

A．rEsponD
B．rEsign
C．rElAtE
D．rEstriCt